fix(docs): add doc test ci

Signed-off-by: Anton Engelhardt <antoncengelhardt@icloud.com>

Author: antonengelhardt

.github/workflows/rust.yml

@@ -134,6 +134,9 @@ jobs:
     - name: Package (docs)
       run: cargo doc --no-deps --target=wasm32-unknown-unknown
 
+    - name: Doc Test
+      run: cargo test --doc
+
     - name: Package (publish)
       run: cargo publish --dry-run --target=wasm32-unknown-unknown
 
@@ -182,6 +185,9 @@ jobs:
     - name: Package (docs)
       run: cargo doc --no-deps --target=wasm32-unknown-unknown
 
+    - name: Doc Test
+      run: cargo test --doc
+
     - name: Package (publish)
       run: cargo publish --dry-run --target=wasm32-unknown-unknown
 
@@ -231,6 +237,9 @@ jobs:
     - name: Package (docs)
       run: cargo doc --no-deps --target=wasm32-unknown-unknown
 
+    - name: Doc Test
+      run: cargo test --doc
+
     - name: Package (publish)
       run: cargo publish --dry-run --target=wasm32-unknown-unknown