Add pre-commit hooks

.pre-commit-config.yaml

@@ -0,0 +1,15 @@
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: check-added-large-files
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-merge-conflict
+  - repo: git://github.com/dnephin/pre-commit-golang
+    rev: v0.4.0
+    hooks:
+      - id: go-fmt
+      - id: go-imports
+      - id: golangci-lint

Makefile

@@ -22,3 +22,7 @@ install: $(BIN)
 .PHONY: set-default
 set-default:
 	xdg-settings set default-web-browser browserRuler.desktop
+
+.PHONY: install-hooks
+install-hooks:
+	pre-commit install --install-hooks