Added workflow examples

.gitea/workflows/compile.yml

@@ -0,0 +1,16 @@
+name: Compile
+run-name: Compiling the software
+on: [push]
+
+jobs:
+  Compile:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Compile software
+        run: g++ main.cpp -o program
+
+      - name: Execute program
+        run: ./program