Link code of conduct to Mozilla CoC (mdn#32850)

* update CoC link 

The current link links to a blob on github that links to the CoC. This changes the link to go to the CoC directly. The text does read "Mozilla's" ( not "MDN's")  "code of conduct", so pointing directly to that makes sense, and removes a click

* CoC

* CoC

* Link to mozilla CoC

* forgot to save file

* Add link to governance participation policy

Author: estelle

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 Thanks for taking the time to contribute to [MDN Web Docs](https://developer.mozilla.org)! :tada:
 
 This document covers project setup steps along with a set of guidelines for contributing to MDN Web Docs content.
-Everyone participating in this project is expected to follow our [Code of Conduct](CODE_OF_CONDUCT.md).
+Everyone participating in this project is expected to follow our [Code of Conduct](https://github.com/mdn/content/blob/main/CODE_OF_CONDUCT.md), which means adhering to [Mozilla's Community Participation Guidelines](https://www.mozilla.org/en-US/about/governance/policies/participation/).
 If you want to jump right in, see [Getting started with MDN Web Docs][] for an overview of how to join, and the [Contribute page][] on MDN for a filtered list of tasks.
 
 ## Getting started

README.md

@@ -40,7 +40,7 @@ You can contribute to MDN Web Docs and be a part of our community through conten
 The MDN Web Docs project welcomes contributions from everyone who shares our goals and wants to contribute constructively and respectfully within our community.
 
 To find out how to get started, see the [CONTRIBUTING.md](CONTRIBUTING.md) document in this repository.
-By participating in and contributing to our projects and discussions, you acknowledge that you have read and agree to our [Code of Conduct](CODE_OF_CONDUCT.md).
+By participating in and contributing to our projects and discussions, you acknowledge that you have read and agree to our [Code of Conduct](CODE_OF_CONDUCT.md), which means adhering to [Mozilla's Community Participation Guidelines](https://www.mozilla.org/en-US/about/governance/policies/participation/).
 
 ## Get in touch
 

files/en-us/mdn/community/roles_teams/index.md

@@ -47,7 +47,7 @@ As a contributor, you can get involved with the project by engaging in the follo
 
 To be a contributor, you must follow:
 
-- [Mozilla's code of conduct](https://github.com/mdn/mdn-community/blob/main/CODE_OF_CONDUCT.md)
+- [Mozilla's code of conduct](https://www.mozilla.org/en-US/about/governance/policies/participation/)
 - Contribution guidelines (check the `CONTRIBUTING.md` file in each repository; for example, these are the [contribution guidelines](https://github.com/mdn/content/blob/main/CONTRIBUTING.md) for the `mdn/content` repository).
 
 **Privileges:**
@@ -202,7 +202,7 @@ Community managers have a distinct role in many respects.
 Community managers share many of the same responsibilities as a [maintainer](#maintainer).
 In addition, community managers have the following responsibilities:
 
-- Addressing reports of violation of [Mozilla's code of conduct](https://github.com/mdn/mdn-community/blob/main/CODE_OF_CONDUCT.md) and deciding on the appropriate action.
+- Addressing reports of violation of our [code of conduct](https://github.com/mdn/mdn-community/blob/main/CODE_OF_CONDUCT.md) which is [Mozilla's Community Participation Guidelines](https://www.mozilla.org/en-US/about/governance/policies/participation/) and deciding on the appropriate action.
 - Organizing and running community events.
 - Organizing community-related project meetings.
 - Determining media strategies to promote the MDN project.

files/en-us/mdn/mdn_product_advisory_board/membership/index.md

@@ -68,7 +68,7 @@ Provide feedback on scheduling annual and quarterly meetings;
 
 b. Members may be required to provide personal information and material (bios, etc.) for analyst, press, and/or trade publications and press releases.
 
-c. All Members must sign the MDN Product Advisory Board Agreement and agree to the MDN PAB Code of Conduct and Antitrust Policy.
+c. All Members must sign the MDN Product Advisory Board Agreement and agree to the MDN PAB [Code of Conduct](https://www.mozilla.org/about/governance/policies/participation/) and Antitrust Policy.
 
 ## 5. MDN PAB Member Benefits