Merge pull request #220 from contentauth/incubator-proj

Add links to iOS and Android projects

Author: crandmck

docs/community.md

@@ -29,13 +29,25 @@ We also welcome thoughtful pull requests (PRs) from the community, following the
 
 Participants are required to follow the [Adobe Code of Conduct](https://github.com/contentauth/c2pa-rs/blob/main/CODE_OF_CONDUCT.md) to maintain an open and welcoming environment for all.
 
+### Incubator projects
+
+:::warning Warning
+Incubator projects are still under active development and are not yet ready for general use.  However, input and bug reports are welcome in the GitHub repositories.
+:::
+
+These projects are in early alpha release:
+- [iOS Library](https://github.com/contentauth/c2pa-ios): Provides iOS/macOS support via Swift Package/XCFramework.
+- [Android Library](https://github.com/contentauth/c2pa-android): Provides native Android support via an AAR library.
+
+Both of these projects wrap the C2PA Rust implementation ([c2pa-rs](https://github.com/contentauth/c2pa-rs)) using its C API bindings.
+
 ### Related projects
 
 These related projects may be of interest, but the CAI team doesn't maintain or support them:
 
 - [**Drupal module**](https://github.com/contentauth/c2pa-drupal): Enables Drupal sites to process and display Content Credentials for supported image types.
 - [**DASH video player**](https://github.com/contentauth/dash.js/tree/c2pa-dash):  DASH video player that displays Content Credentials in browsers for supported media types. This repo/branch is a work-in-progress forked from [dash.js](https://github.com/Dash-Industry-Forum/dash.js), the canonical reference JavaScript implementation for the playback of MPEG DASH. 
-- [**TrustMark**](https://github.com/adobe/trustmark): Open-source Python implementation of watermarking for encoding, decoding and removing image watermarks.
+- [**TrustMark**](https://github.com/adobe/trustmark): Open-source Python implementation of watermarking for encoding, decoding and removing image watermarks. You can use TrustMark as part of providing [durable content credentials](durable-cr.md).
 - [**C2PA Security Testing Tool**](https://github.com/contentauth/c2pa-attacks): A CLI tool derived from [c2patool](https://github.com/contentauth/c2patool) that performs security testing on a Content Credentials application.  This tool is intended for use by software security professionals.
 
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