fix: replace Python CI with correct Rust CI workflow

.gitea/workflows/ci.yml

@@ -2,22 +2,47 @@ name: CI
 
 on:
   push:
-    branches: [main]
+    branches: [ main, master ]
   pull_request:
-    branches: [main]
+    branches: [ main, master ]
 
 jobs:
-  build:
+  lint:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+
       - name: Set up Rust
-        run: rustup default stable
-      - name: Build
-        run: cargo build --all-features --verbose
-      - name: Run tests
-        run: cargo test --all-features --verbose
-      - name: Check formatting
-        run: cargo fmt --check --all
-      - name: Run clippy
-        run: cargo clippy --all-features -- -D warnings
+        uses: dtolnay/rust-toolchain@v1
+        with:
+          toolchain: stable
+          components: rustfmt, clippy
+
+      - name: Check rustfmt availability
+        working-directory: ./gitignore-gen
+        run: rustfmt --version
+
+      - name: Run Rust linting
+        working-directory: ./gitignore-gen
+        run: |
+          cargo fmt --check
+          cargo clippy --all-targets --all-features -- -D warnings
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: dtolnay/rust-toolchain@v1
+        with:
+          toolchain: stable
+          components: rustfmt
+
+      - name: Build Rust project
+        working-directory: ./gitignore-gen
+        run: cargo build --all-targets
+
+      - name: Run Rust tests
+        working-directory: ./gitignore-gen
+        run: cargo test