docs: fix outdated repository links and spelling error (#1669)

* docs: update outdated repository links in CONTRIBUTING.md

- Update issue tracker link from chrox/readest to readest/readest    
- Update new issue link from chrox/readest to readest/readest

* fix: correct spelling of "quota" in release notes

- Fix typo "quata" -> "quota" in 0.9.30 release notes

CONTRIBUTING.md

@@ -3,14 +3,14 @@
 When contributing to `Readest`, whether on GitHub or in other community spaces:
 
 - Be respectful, civil, and open-minded.
-- Before opening a new pull request, try searching through the [issue tracker](https://github.com/chrox/readest/issues) for known issues or fixes.
+- Before opening a new pull request, try searching through the [issue tracker](https://github.com/readest/readest/issues) for known issues or fixes.
 - If you want to make code changes based on your personal opinion(s), make sure you open an issue first describing the changes you want to make, and open a pull request only when your suggestions get approved by maintainers.
 
 ## How to Contribute
 
 ### Prerequisites
 
-In order to not waste your time implementing a change that has already been declined, or is generally not needed, start by [opening an issue](https://github.com/chrox/readest/issues/new/choose) describing the problem you would like to solve.
+In order to not waste your time implementing a change that has already been declined, or is generally not needed, start by [opening an issue](https://github.com/readest/readest/issues/new/choose) describing the problem you would like to solve.
 
 For the best experience to build Readest for yourself, use a recent version of Node.js and Rust. Refer to the [Tauri documentation](https://v2.tauri.app/start/prerequisites/) for details on setting up the development environment prerequisites on different platforms.
 

apps/readest-app/release-notes.json

@@ -328,7 +328,7 @@
     "0.9.30": {
       "date": "2025-04-05",
       "notes": [
-        "Added fixed storage quata when running the app in self-hosted mode",
+        "Added fixed storage quota when running the app in self-hosted mode",
         "Link colors will only change when you override fonts",
         "Added cache for native files for better performance"
       ]