Update docs entries on Matrix/Element usage

Author: andrewtavis

.github/workflows/pr_maintainer_checklist.yaml

@@ -19,7 +19,7 @@ jobs:
           message: |
             ## Thank you for the pull request! ❤️
 
-            The Scribe-Data team will do our best to address your contribution as soon as we can. If you're not already a member of our [public Matrix community](https://matrix.to/#/#scribe_community:matrix.org), please consider joining! We'd suggest using [Element](https://element.io/) as your Matrix client, and definitely join the `General` and `Data` rooms once you're in. Also consider attending our [bi-weekly Saturday dev syncs](https://etherpad.wikimedia.org/p/scribe-dev-sync). It'd be great to meet you 😊
+            The Scribe-Data team will do our best to address your contribution as soon as we can. If you're not already a member of our [public Matrix community](https://matrix.to/#/#scribe_community:matrix.org), please consider joining! We'd suggest that you use the [Element](https://element.io/) client as well as [Element X](https://element.io/app) for a mobile app, and definitely join the `General` and `Data` rooms once you're in. Also consider attending our [bi-weekly Saturday dev syncs](https://etherpad.wikimedia.org/p/scribe-dev-sync). It'd be great to meet you 😊
 
       - name: Add Checklist
         uses: thollander/actions-comment-pull-request@v2

CONTRIBUTING.md

@@ -31,7 +31,7 @@ Thank you for your interest in contributing to Scribe-Data! We look forward to w
 
 - Please join the [public Matrix chat](https://matrix.to/#/#scribe_community:matrix.org) to connect with the community
   - [Matrix](https://matrix.org/) is a network for secure, decentralized communication
-  - Scribe would suggest that you use the [Element](https://element.io/) client
+  - We'd suggest that you use the [Element](https://element.io/) client and [Element X](https://element.io/app) for a mobile app
   - The [General](https://matrix.to/#/!yQJjLmluvlkWttNhKo:matrix.org?via=matrix.org) and [Data](https://matrix.to/#/#ScribeData:matrix.org) channels would be great places to start!
   - Feel free to introduce yourself and tell us what your interests are if you're comfortable :)
 - Read through this contributing guide for all the information you need to contribute

README.md

@@ -147,7 +147,7 @@ Updating contracts shouldn't be something that Scribe-Data users should have to
   <img src="https://raw.githubusercontent.com/scribe-org/Organization/main/resources/images/logos/MatrixLogoGrey.png" width="175" alt="Public Matrix Chat" align="right">
 </a>
 
-Scribe uses [Matrix](https://matrix.org/) for communications. You're more than welcome to [join us in our public chat rooms](https://matrix.to/#/#scribe_community:matrix.org) to share ideas, ask questions or just say hi :)
+Scribe uses [Matrix](https://matrix.org/) for communications. You're more than welcome to [join us in our public chat rooms](https://matrix.to/#/#scribe_community:matrix.org) to share ideas, ask questions or just say hi to the team :) We'd suggest that you use the [Element](https://element.io/) client and [Element X](https://element.io/app) for a mobile app.
 
 Please see the [contribution guidelines](https://github.com/scribe-org/Scribe-Data/blob/main/CONTRIBUTING.md) and [Wikidata and Scribe Guide](https://github.com/scribe-org/Organization/blob/main/WIKIDATAGUIDE.md) if you are interested in contributing to Scribe-Data. Work that is in progress or could be implemented is tracked in the [issues](https://github.com/scribe-org/Scribe-Data/issues) and [projects](https://github.com/scribe-org/Scribe-Data/projects).