add pre-commit

.pre-commit-config.yaml

@@ -0,0 +1,22 @@
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+    - id: check-merge-conflict
+    - id: check-case-conflict
+    - id: mixed-line-ending
+    - id: check-byte-order-marker
+    - id: check-added-large-files
+    - id: check-yaml
+  - repo: https://github.com/antonbabenko/pre-commit-terraform
+    rev: v1.90.0
+    hooks:
+      - id: terraform_fmt
+      - id: terraform_validate
+      - id: terraform_tflint
+      - id: terraform_docs
+        args:
+          - --args=--config=.terraform-docs.yml