Add lint check to CI

Signed-off-by: Thomas Stromberg <[email protected]>

Author: tstromberg

.github/workflows/ci.yml

@@ -23,3 +23,9 @@ jobs:
 
     - name: Test
       run: go test -v ./...
+
+    - name: Lint
+      run: make lint
+
+    - name: Makefile diff
+      run: cp Makefile Makefile.old && go run . . && diff -ubB Makefile.old Makefile