docs(CONTRIBUTING.md): update guide

Author: michael-ciniawsky

CONTRIBUTING.md

@@ -1,23 +1,29 @@
-- Commit summaries must be in the following format `<type>(<scope>): <description>`.
-  - type - `feat`, `fix`, `docs`, `style`, `refactor`, `perf`, `test`, `chore`, `revert`
-  - scope - file affected, or general scope of commit
+- Commit summaries must be in the following format `<type>(<scope>): <description>`
+  - type - `ci`, `fix`, `feat`, `docs`, `test`, `perf`, `style`, `build`, `chore`, `revert`, `refactor`
+  - scope - file affected e.g (`fix(lib/index): <description>`), or general scope of commit
   - description - Your commit summary
-
-- Write tests that cover your changes
-
-- Make sure `npm run lint` and `npm test` both pass before submitting PR.
-
 - Add docs if appropriate
+- Write tests that cover your changes
+- Make sure `npm run lint` and `npm test` both pass before submitting a PR
+- Add yourself as a contributor in `README.md` && `package.json`
 
-- Add yourself as Contributor in README.md. If you do not know the `id` for your account, it can be found at `https://api.github.com/users/<username>`
+**README.md**
+```html
+<td align="center">
+  <img
+    width="150"
+    height="150"
+    src="https://github.com/{{ user }}.png?v=3&s=150">
+  <br />
+  <a href="https://github.com/{{ user }}">{{ Name }}</a>
+</td>
+```
 
-  ```html
-  <td align="center">
-    <img
-      width="150"
-      height="150"
-      src="https://avatars.githubusercontent.com/u/{{ id }}?v=3&s=150">
-    <br />
-    <a href="https://github.com/{{ login }}">{{ Name }}</a>
-  </td>
-  ```
+**package.json**
+```
+{
+  "contributors": [
+    "{{ firstname }} {{ lastname }} <email>"
+  ]
+}
+```