Add scripts to locally lint, like ci does

Author: timofurrer

GNUmakefile

@@ -45,4 +45,7 @@ tfproviderlint:
 	-XAT001=false -XR003=false -XR005=false -XS001=false -XS002=false \
 	./...
 
-.PHONY: default build test testacc-up testacc-down testacc vet fmt tfproviderlint
+lint:
+	./scripts/lint.sh
+
+.PHONY: default build test testacc-up testacc-down testacc vet fmt tfproviderlint lint

scripts/lint.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+docker run --rm -v "$(pwd):/workspace" -w /workspace golangci/golangci-lint:v1.43 golangci-lint run
+docker run --rm -v "$(pwd):/workspace" -w /workspace avtodev/markdown-lint:v1 --config .markdownlint.yml docs