ci: create initial CI/CD pipeline

.github/workflows/main.yml

@@ -0,0 +1,24 @@
+name: Main
+
+on:
+  push:
+    branches:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup golang
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.21.5
+
+      - name: Install dependencies
+        run: go mod download
+
+      - name: Build project
+        run: go build -o dist/dfsync -race