docs(#14): point doc links at OffbandMesh/meshcore-client

Repo moved Strycher/meshcore-open -> OffbandMesh org and renamed to
meshcore-client; update README (clone URL + cd + issues), CONTRIBUTING,
and TESTFLIGHT_GUIDE links. zjs81 upstream attribution links unchanged.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

CONTRIBUTING.md

@@ -11,9 +11,9 @@ may also be rejected. [See more](#ai-use)
 
 ### **Did you find a bug?**
 
-* **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/Strycher/meshcore-open/issues).
+* **Ensure the bug was not already reported** by searching on GitHub under [Issues](https://github.com/OffbandMesh/meshcore-client/issues).
 
-* If you're unable to find an open issue addressing the problem, [open a new one](https://github.com/Strycher/meshcore-open/issues/new).
+* If you're unable to find an open issue addressing the problem, [open a new one](https://github.com/OffbandMesh/meshcore-client/issues/new).
 Be sure to include a **title and clear description**, as much relevant
 information as possible, and a **code sample** or an **executable test case**
 demonstrating the expected behavior that is not occurring. You can also include

README.md

@@ -111,8 +111,8 @@ Offband Meshcore is a cross-platform mobile application for communicating with M
 1. **Clone the repository**
 
    ```bash
-   git clone https://github.com/Strycher/meshcore-open.git
-   cd meshcore-open
+   git clone https://github.com/OffbandMesh/meshcore-client.git
+   cd meshcore-client
    ```
 
 2. **Install dependencies**
@@ -238,7 +238,7 @@ This is an open-source project. Contributions are welcome!
 ## Support
 
 For issues, questions, or feature requests, please open an issue on GitHub:
-<https://github.com/Strycher/meshcore-open/issues>
+<https://github.com/OffbandMesh/meshcore-client/issues>
 
 ## Credits
 

TESTFLIGHT_GUIDE.md

@@ -241,4 +241,4 @@ Distribution:
 For issues with:
 - **App Store Process**: [Apple Developer Support](https://developer.apple.com/contact/)
 - **Flutter Build Issues**: [Flutter GitHub](https://github.com/flutter/flutter/issues)
-- **Offband Meshcore App**: [GitHub Issues](https://github.com/Strycher/meshcore-open/issues)
+- **Offband Meshcore App**: [GitHub Issues](https://github.com/OffbandMesh/meshcore-client/issues)