Add helmlint pre-commit and default hooks

.pre-commit-config.yaml

+# https://pre-commit.com/
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-ast
+      - id: check-merge-conflict
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: debug-statements
+
+  - repo: https://github.com/gruntwork-io/pre-commit
+    rev: v0.1.17
+    hooks:
+      - id: helmlint