add github actions

Signed-off-by: Peter Siegmund <developer@mars3142.org>

.github/workflows/push.yaml

@@ -0,0 +1,17 @@
+name: Build on push
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Build gbdk project
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build
+        uses: wujood/gbdk-2020-github-builder@1.0.7
+        with:
+          subdirectory: ./src
+          output-name: gb-snake
+          source: main.c

.vscode/settings.json

@@ -3,5 +3,17 @@
     "stdint.h": "c",
     "gb.h": "c",
     "version.h": "c"
+  },
+  "actionButtons": {
+    "commands": [
+      {
+        "name": "Clean",
+        "command": "make clean",
+      },
+      {
+        "name": "Build",
+        "command": "make",
+      }
+    ]
   }
 }