ci: add tests workflow

.github/workflows/test.yml

@@ -0,0 +1,43 @@
+name: Ringal Tests
+
+on:
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  rust-checks:
+    runs-on: ubuntu-latest
+    container:
+      image: rust:latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/cache@v4
+      with:
+        path: |
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
+    - name: Install rustfmt and clippy
+      run: rustup component add rustfmt clippy
+    - name: Run rustfmt
+      run: cargo fmt --check
+    - name: Run clippy
+      run: cargo clippy -- -D warnings
+
+  test-and-build:
+    runs-on: ubuntu-latest
+    container:
+      image: rust:latest
+
+    needs: 
+      - rust-checks
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/cache@v4
+      with:
+        path: |
+          target/
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}
+    - name: Run tests
+      run: cargo test

README.md

@@ -2,7 +2,7 @@
 
 [![Crates.io](https://img.shields.io/crates/v/ringal.svg)](https://crates.io/crates/ringal)
 [![Documentation](https://docs.rs/ringal/badge.svg)](https://docs.rs/ringal)
-[![Build Status](https://github.com/bmuddha/ringal/workflows/CI/badge.svg)](https://github.com/yourusername/ringal/actions)
+[![Build Status](https://github.com/bmuddha/ringal/workflows/CI/badge.svg)](https://github.com/bmuddha/ringal/actions)
 
 ## Overview