Add commit-hook and gitignore file

.gitignore

+local
+*.retry

.pre-commit-config.yaml

+-   repo: https://github.com/willthames/ansible-lint.git
+    sha: v3.4.11
+    hooks:
+    -   id: ansible-lint
+        files: \.(yaml|yml)$
+-   repo: https://github.com/pre-commit/pre-commit-hooks.git
+    sha: c847dd3f2e7260830b6fc66a6a3ed7a837e3bdb1
+    hooks:
+    -   id: trailing-whitespace