added github ci

Author: deftio

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gcc lcov libncurses5-dev
+
+    - name: Build project
+      run: |
+        make test
+
+    - name: Run tests
+      run: |
+        ./companders_fulltest
+
+    - name: Capture coverage info
+      run: |
+        lcov --directory . --capture --output-file coverage.info
+
+    - name: Filter out system and test code
+      run: |
+        lcov --remove coverage.info 'tests/*' '/usr/*' 'test-library*' --output-file coverage.info
+
+    - name: List coverage info
+      run: |
+        lcov --list coverage.info
+