Migrate ditto.live links to ditto.com (#269)

* Migrate support email to support@ditto.com

* Migrate Ditto Home Page link to www.ditto.com

Author: bplattenburg

README.md

@@ -6,7 +6,7 @@ programming languages and platforms.
 See Ditto's [Quickstarts](https://docs.ditto.live/sdk/latest/quickstarts/quickstarts-landing)
 documentation for more information.
 
-For support, please contact Ditto Support (<support@ditto.live>).
+For support, please contact Ditto Support (<support@ditto.com>).
 
 ## Obtaining your Ditto Identity
 

flutter_app/README.md

@@ -115,7 +115,7 @@ Explore the following links and resources to learn more about Ditto:
 
 #### General Information
 
-- [Ditto Home Page](https://ditto.live)
+- [Ditto Home Page](https://www.ditto.com)
 - [Ditto Documentation Site](https://docs.ditto.live)
 - [Ditto Flutter Install Guide](https://docs.ditto.live/flutter/installation)
 - [Ditto Flutter Quick Start](https://docs.ditto.live/flutter/installation)

react-native/README.md

@@ -95,4 +95,4 @@ Should you encounter any issues, please refer to the [Ditto documentation](https
 
 ### Contact
 
-For support or queries, reach out to us via [support@ditto.live](mailto:support@ditto.live).
+For support or queries, reach out to us via [support@ditto.com](mailto:support@ditto.com).