chore: added CONTRIBUTING.md

.commitlintrc.yaml

@@ -1,2 +1,3 @@
 extends:
   - "@commitlint/config-conventional"
+defaultIgnores: true

CONTRIBUTING.md

@@ -0,0 +1,36 @@
+## Commit messages
+
+Commit messages should respect the [Conventinal Commits](https://www.conventionalcommits.org/) convention
+
+```
+<type>[optional scope]: <description>
+
+[optional body]
+
+[optional footer(s)]
+```
+
+### type
+```
+    chore    Updating tasks etc (no production code change)
+    build    Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
+    ci       Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
+    docs     Documentation only changes
+    feat     A new feature
+    fix      A bug fix
+    perf     A code change that improves performance
+    refactor A code change that neither fixes a bug nor adds a feature
+    style    Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
+    test     Adding missing tests or correcting existing tests
+    revert   A commit revert
+```
+
+### body
+
+Indicate a breaking change should be done in the body
+
+```
+chore!: drop support for Node 6
+
+BREAKING CHANGE: use JavaScript features not available in Node 6.
+```