Update README with Rust-only examples

README.md

@@ -35,28 +35,10 @@ jobs:
       - run: echo "Cache restored, proceeding with build..."
 ```
 
-### With Custom Key File
+### Rust Example
 
 ```yaml
-name: Build with Cache
-on: push
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: Actions/Cache@main
-        with:
-          key-file: 'package-lock.json'
-      - run: npm ci
-      - run: npm run build
-```
-
-### .NET Example
-
-```yaml
-name: .NET Build
+name: Rust Build
 on: push
 
 defaults:
@@ -70,16 +52,15 @@ jobs:
       - uses: actions/checkout@v4
       - uses: Actions/Cache@main
         with:
-          key-file: '**/*.csproj'
+          key-file: 'Cargo.lock'
           path: |
             ~/.cache/
-            ~/.nuget/packages
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
       - name: Build
-        working-directory: src/
         run: |
-          dotnet restore
-          dotnet build --no-restore -c Release
-          dotnet publish --no-build -c Release
+          cargo build --release
 ```
 
 ### Skip Steps on Cache Hit
@@ -96,10 +77,12 @@ jobs:
       - uses: Actions/Cache@main
         id: cache
         with:
-          key-file: 'requirements.txt'
+          key-file: 'Cargo.lock'
       - name: Install dependencies
         if: steps.cache.outputs.cache-hit != 'true'
-        run: pip install -r requirements.txt
+        run: cargo fetch
+      - name: Build
+        run: cargo build --release
 ```
 
 ## How It Works