Add Makefile

Makefile

@@ -0,0 +1,27 @@
+.PHONY: help
+help: ## List available commands and their actions
+	@printf "\033[1;33mUsage:\033[0m\n make <command>\n\n"
+	@printf "\033[1;33m%-20s%s\033[0m\n" "Command" "Action"
+	@eval $$(sed -E -n 's/^([a-zA-Z0-9_-]+):.*## (.*)$$/printf "%-20s%s\\n" " \1" " \2" ;/p; s/^([a-zA-Z0-9_-]+) ([a-zA-Z0-9_-]+):.*## (.*)$$/printf "%-20s%s\\n" " \1 OR \2" " \3" ;/p' $(MAKEFILE_LIST) | sort | uniq)
+
+.PHONY: build
+build: ## Build source code for production
+	yarn build
+
+.PHONY: watch
+watch: ## Build the extension whenever files change
+	yarn watch
+
+.PHONY: install i
+install i: ## Install project dependencies
+	yarn
+
+.PHONY: analysis
+analysis: ## Run static analysis checks against all files
+	yarn eslint
+	yarn prettier
+	yarn typecheck
+
+.PHONY: test
+test: ## Run test suite
+	yarn test