autogen hash for version check

.github/workflows/main.yml

@@ -0,0 +1,12 @@
+name: gethash
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+jobs:
+  gethash:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: get hash of script
+        run: echo $(cat stocheck.sh | md5sum | cut -c -32) > hash