ci: add static checker for code analysis

This adds a workflow to run golang static checks on PRs to catch simple bugs earlier

.github/workflows/staticchecker.yml

@@ -0,0 +1,16 @@
+name: static check
+
+on: pull_request
+
+jobs:
+  static-checks:
+    name: Statick checker
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: check
+      uses: danhunsaker/[email protected]
+      with:
+        run: imports,errcheck,lint,shadow,staticcheck,sec
+        token: ${{ secrets.GITHUB_TOKEN }}
+        flags: '{"sec": "-exclude=G104"}'