add static analysis action

Makefile

@@ -1,13 +1,17 @@
 .PHONY: build test clean wfa-js
 
-build: clean build-wfa-js
+build: clean ensure-dist build-web build-wfa-js
 	@echo "======================== Building Binary ======================="
-	mkdir -p dist
 # resolve symbolic links in web by copying it into dist/web/
-	cp -rL web/ dist/web/
 	CGO_ENABLED=0 go build -tags release -ldflags="-s -w" -v -o dist/ .
 
-build-wfa-js:
+ensure-dist:
+	mkdir -p dist
+
+build-web: ensure-dist
+	cp -rL web/ dist/web/
+
+build-wfa-js: ensure-dist
 	$(MAKE) -C WFA-JS
 	cp -f WFA-JS/dist/* web/modules