Chore: Provide more contribution related details

* Add `ISSUE_TEMPLATE.md` and `PULL_REQUEST_TEMPLATE.md` templates.
* Update `CODEOWNERS` list.

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Ref #347
Ref https://github.com/blog/2111-issue-and-pull-request-templates

Close #505

Author: alrra

.github/CODEOWNERS

@@ -3,4 +3,4 @@
 #
 # https://github.com/blog/2392-introducing-code-owners.
 
-*                       @alrra @austinkelleher @molant @patrick-steele-idem @sarvaje
+*   @alrra @austinkelleher @molant @sarvaje

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,83 @@
+<!--
+
+This template is for bug reports. If you are reporting a bug,
+please continue on. If you are here for another reason, please
+see below:
+
+1. How to propose a new rule:
+   TODO
+
+2. How to request a change:
+   TODO
+
+3. If you have any questions, please stop by our chatroom:
+   https://gitter.im/sonarwhal/Lobby
+
+[!] Notes:
+
+    * By leaving the following sections blank will make
+      it difficult for us to troubleshoot and we may have
+      to close the issue.
+
+    * sonar adheres to the JS Foundation Code of Conduct
+      https://js.foundation/community/code-of-conduct.
+
+-->
+
+Please tell us about your:
+
+## Environment
+
+<!-- You get the version numbers for the following by running:
+
+ * sonar -v
+ * node -v
+ * npm -v
+
+-->
+
+* __`sonar` version:__
+* __`Node.js` version:__
+* __`npm` version:__
+
+## `sonar` configuration
+
+<details>
+<summary>sonar's configuration</summary>
+
+<!--
+Note: The `sonar` configuration may be in a file named `.sonarrc`,
+      or in  the `package.json` file under the `sonarConfig` propery.
+
+Paste those configurations below:
+-->
+
+```js
+
+
+
+```
+
+</details>
+
+## URL for which `sonar` failed
+
+* __URL:__
+
+## Output
+
+Please include the raw output generated by `sonar`, or if possible,
+the raw output from running `sonar` in debug mode: `sonar --debug <URL>`.
+
+<details>
+<summary>sonar's raw output</summary>
+
+<!-- Paste the raw output below: -->
+
+```text
+
+
+
+```
+
+</details>

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,34 @@
+<!--
+
+Read our pull request guide:
+https://sonarwhal.com/docs/developer-guide/contributing/pull-requests.html
+
+For the following items put an "x" between the square brackets
+(i.e. [x]) if you completed the associated item.
+
+-->
+
+## Pull request checklist
+
+Make sure you:
+
+- [ ] Signed the [Contributor License Agreement](https://cla.js.foundation/sonarwhal/sonar)
+- [ ] Followed the [commit message guidelines](https://sonarwhal.com/docs/developer-guide/contributing/pull-requests.html#commitmessages)
+
+For non-trivial changes, please make sure you also:
+
+- [ ] Added/Updated related documentation.
+- [ ] Added/Updated related tests.
+
+## Short description of the change(s)
+
+<!--
+
+If this is a non-trivial change, include information such as what
+benefits this change brings as well as possible drawbacks.
+
+If this fixes an existing issue, include the relavant issue number(s).
+
+Thank you for taking the time to open this PR!
+
+-->

package.json

@@ -173,7 +173,7 @@
     "commitmsg": "node scripts/check-commit-message.js",
     "lint": "npm-run-all lint:*",
     "lint:js": "eslint --ext md --ext ts --ignore-pattern dist .",
-    "lint:md": "markdownlint ./.github docs",
+    "lint:md": "markdownlint docs",
     "preparecommitmsg": "node scripts/prepare-commit-message.js",
     "prepublishOnly": "npm i && npm run build",
     "release": "npm run test && node dist/scripts/release.js",