chore: add formatting and ci tools for go

- Install golangci-lint and gci via check-setup
- Add Makefile targets for golang-ci and golang-ci-fix. The former runs
  the same checks as CI while the latter tries to fix any errors (e.g.
  like incorrect formatting, not everything is automatically fixable)

Makefile

@@ -31,6 +31,12 @@ test: test-go test-ts
 format-templates:
 	pnpx prettier --write pkg/templates/assets/templates --ignore-unknown
 
+golang-ci:
+	 golangci-lint run
+
+golang-ci-fix:
+	 golangci-lint run --fix
+
 install-proto:
 	go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28.1
 

scripts/check-setup.sh

@@ -8,3 +8,8 @@ if ! [ -x "$(command -v protoc)" ]; then
 	echo 'curl -LO "https://github.com/protocolbuffers/protobuf/releases/download/v21.5/protoc-21.5-linux-x86_64.zip"'
 	exit 1
 fi
+
+if ! [ -x "$(command -v golangci-lint)" ]; then
+	echo "Installing golangci-lint"
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+fi