add ci

.github/workflows/compile.yaml

@@ -0,0 +1,27 @@
+name: Build sourcepawn and commit
+
+on:
+  push:
+    paths:
+      - '**.sp'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Compile sourcepawn
+        uses: spiretf/spcomp@v0.1.0
+        with:
+          source: './plugin/autoexec.sp'
+          target: './plugin/autoexec.smx'
+
+      - name: Commit files
+        run: |
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub Action"
+          git commit -m "Compile sourcepawn" -a
+      - name: Push changes
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}