feat: add CI workflow for building and testing Rust project

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+name: F4a services CI
+
+on:
+    pull_request:
+        branches: ["main"]
+        types: [opened, synchronize, reopened]
+
+env:
+    CARGO_TERM_COLOR: always
+
+jobs:
+    build_and_test:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v4
+            - name: Install Rust Toolchain
+              uses: dtolnay/rust-toolchain@stable
+            - name: Cache Cargo dependencies
+              uses: actions/cache@v4
+              with:
+                  path: |
+                      ~/.cargo/registry
+                      ~/.cargo/git
+                      target
+                  key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+                  restore-keys: |
+                      ${{ runner.os }}-cargo-
+            - name: Cargo Check
+              run: cargo check --all-targets --locked
+            - name: Cargo Build
+              run: cargo build --verbose
+            - name: Cargo tests
+              run: cargo test --verbose
+            - name: Cargo Clippy
+              run: cargo clippy -- -D warnings
+            - name: Cargo fmt
+              run: cargo fmt --all --check