Add pre-commit config

.pre-commit-config.yaml

@@ -0,0 +1,17 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.1.0
+    hooks:
+      - id: check-merge-conflict
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+  - repo: https://github.com/Lucas-C/pre-commit-hooks
+    rev: v1.1.6
+    hooks:
+      - id: remove-crlf
+      - id: forbid-tabs
+  - repo: https://github.com/dnephin/pre-commit-golang
+    rev: v0.3.2
+    hooks:
+      - id: go-fmt
+      - id: go-vet