Update Readme with updated Code of conduct and contributor agreement (#1865)

Author: DavidH-1

README.md

@@ -52,6 +52,9 @@ Mifos boasts an active and vibrant contributor community, Please join us on [sla
 ### How to Contribute
 Thank you for your interest in contributing to the Mobile Wallet project by Mifos! We welcome all contributions and encourage you to follow these guidelines to ensure a smooth and efficient collaboration process.
 
+- Sign the [Contribution License Agreement](https://mifos.org/about-us/financial-legal/mifos-contributor-agreement/).
+- Always follow the [code of conduct](https://mifos.org/resources/community/code-of-conduct/) - this is important to us. We are proud to be open, tolerant and providing a positive environment.
+
 The issues should be raised via the GitHub issue tracker. For Issue tracker guidelines please click <a href="https://github.com/openMF/mobile-wallet/blob/master/.github/CONTRIBUTING.md#issue-tracker">here</a>. All fixes should be proposed via pull requests. For pull request guidelines please click <a href="https://github.com/openMF/mobile-wallet/blob/master/.github/CONTRIBUTING.md#pull-requests">here</a>. For commit style guidelines please click <a href="https://github.com/openMF/mobile-wallet/wiki/Commit-style-guide">here</a>.
 
 ### Branch Policy