chore: add ci config

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+- name: Setup Zig
+  uses: goto-bus-stop/setup-zig@v1.3.0
+
+on: [push]
+
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v1
+      - name: prepare-linux
+        if: runner.os == 'Linux'
+        run: |
+            sudo apt-get update
+            sudo apt-get install libsdl2-dev
+      - name: build 
+        run: zig build -Drelease-safe
+  lint:
+    runs-on: ubuntu-latest
+    steps: 
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v1
+      - run: zig fmt src/**/*.zig
+