chore: add linters and ignores

.helmignore

@@ -0,0 +1,41 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.gitmodules
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+node_modules/
+.npmrc
+package.json
+package-lock.json
+.gitea/
+Makefile
+.markdownlintignore
+.markdownlint.yaml
+.drone.yml
+CONTRIBUTING.md
+unittests/
+.editorconfig
+.prettierignore
+.yamllint
+CODEOWNERS
+renovate.json5
+.commitlintrc.json
+.gitsv/