Docs for running lint

Makefile

@@ -1,12 +1,20 @@
 SHELL := /bin/bash
 
-.PHONY: all testdata
-
-all: testdata
+.PHONY: all
+all: testdata lint test
 
+.PHONY: testdata
 testdata:
 	go install
 	@export PATH=$$PATH:$$(go env GOPATH)/bin; \
 	cd testdata && protoc -I . \
 	--grpc-gateway-ts_out=logtostderr=true:./ \
     log.proto environment.proto ./datasource/datasource.proto
+
+.PHONY: lint
+lint:
+	golangci-lint run
+
+.PHONY: test
+test:
+	go test ./...

README.md

@@ -104,10 +104,16 @@ async function increaseRepeatedly(base: number): Promise<number[]> {
 
 ## Development
 
+Required dependencies:
+
+```
+brew install typescript
+brew install golangci-lint
+```
+
 To run tests:
 
 ```
-brew install typescript # OPTIONAL
 make testdata
 go test ./...`
 ```