Fix YouTube video preview images

Author: tboychuk

1-0-java-basics/1-3-1-crazy-generics/README.MD

@@ -22,11 +22,10 @@ runtime to compile time and makes type parametrization safer.**
 * [Effective Java, Chapter 5 – Generics](https://read.amazon.com/kp/embed?asin=B078H61SCH&preview=newtab&linkCode=kpe&ref_=cm_sw_r_kb_dp_SADNB2C41TWARGY4QGKZ) 📘
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=EaL5KsSlEQM)](https://youtu.be/EaL5KsSlEQM)
+[![Watch the video](https://img.youtube.com/vi/EaL5KsSlEQM/0.jpg)](https://www.youtube.com/watch?v=EaL5KsSlEQM)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/u6kHcecFuzxV232LA)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

1-0-java-basics/1-5-0-hello-annotations/README.MD

@@ -10,12 +10,11 @@ Learn annotations basics to better understand how the frameworks use them 💪
 * set **default value** for a member ✅
 * **use custom annotation** on a class ✅
 
----
-#### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/UADe1YKHiFVXQJLF8)
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=KF1H2EOCdD4)](https://youtu.be/KF1H2EOCdD4)
+[![Watch the video](https://img.youtube.com/vi/KF1H2EOCdD4/0.jpg)](https://www.youtube.com/watch?v=KF1H2EOCdD4)
 
+---
+#### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-1-node/README.MD

@@ -13,11 +13,10 @@ You're supposed to be familiar **Java classes** and **generics**
 * create a **circle of linked nodes** ✅
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=Ot5ma8NXcS0)](https://youtu.be/Ot5ma8NXcS0)
+[![Watch the video](https://img.youtube.com/vi/Ot5ma8NXcS0/0.jpg)](https://www.youtube.com/watch?v=Ot5ma8NXcS0)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/JGTFw5nfwR89tmSbA)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-2-stack/README.md

@@ -21,8 +21,7 @@ stored to the stack.**
 * maintain stack **size** ✅
 
 ---
-#### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/VgcSYEgm68pzYp6E8) 
+#### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction) 
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-3-linked-queue/README.MD

@@ -12,7 +12,6 @@ You're supposed to be familiar [Queue](https://en.wikipedia.org/wiki/Queue_(abst
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/ps9feaVAUsUT1gA29)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-4-linked-list/README.MD

@@ -13,11 +13,10 @@ You're supposed to be familiar [Linked List](https://en.wikipedia.org/wiki/Linke
 * maintain list **size** ✅
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=knhSNO3bAHo)](https://youtu.be/knhSNO3bAHo)
+[![Watch the video](https://img.youtube.com/vi/knhSNO3bAHo/0.jpg)](https://www.youtube.com/watch?v=knhSNO3bAHo)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/tjCWWmpPHupe7Y8x7)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-5-array-list/README.MD

@@ -17,7 +17,7 @@ Build strong skills implementing a well known Array List data structure 💪
 * maintain list **size** ✅
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=jFBKToSC3ag)](https://youtu.be/jFBKToSC3ag)
+[![Watch the video](https://img.youtube.com/vi/jFBKToSC3ag/0.jpg)](https://www.youtube.com/watch?v=jFBKToSC3ag)
 
 ---
 

2-0-data-structures-and-algorithms/2-2-6-binary-search-tree/README.md

@@ -15,11 +15,10 @@ Learn tree data structures and build strong skills implementing binary search tr
 
 
 ### Exercise overview 🇺🇦
-[![Linked List](https://yt-embed.herokuapp.com/embed?v=alxzyWswCVg)](https://youtu.be/alxzyWswCVg)
+[![Watch the video](https://img.youtube.com/vi/alxzyWswCVg/0.jpg)](https://www.youtube.com/watch?v=alxzyWswCVg)
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/7U9XZHuTtT5xpjXR6)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>

2-0-data-structures-and-algorithms/2-2-9-hash-table/README.md

@@ -11,7 +11,6 @@ Learn a Hash Table data structures and build strong skills creating a hash table
 
 ---
 #### 🆕 First time here? – [See Introduction](https://github.com/bobocode-projects/java-fundamentals-exercises/tree/main/0-0-intro#introduction)
-#### ➡️ Have any feedback? – [Please fill the form ](https://forms.gle/7U9XZHuTtT5xpjXR6)
 
 ##
 <div align="center"><img src="https://raw.githubusercontent.com/bobocode-projects/resources/master/animation/GitHub%20Star_3.gif" height=50/></div>