Update CODEOWNERS (#4142)

# Description of Changes

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
-->

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/CODEOWNERS

@@ -1,2 +1,21 @@
-# All PRs to V1 must be approved by Frooodle
-* @Frooodle @reecebrowne @Ludy87 @DarioGii @ConnorYoh @EthanHealy01
+# All PRs must be approved by Frooodle or Ludy87
+* @Frooodle @Ludy87 @jbrunton96 @ConnorYoh
+
+# Backend
+/app/** @DarioGii 
+
+#V1 frontend
+/app/core/src/main/resources/static/** @reecebrowne @ConnorYoh @EthanHealy01 @jbrunton96
+/app/core/src/main/resources/templates/** @reecebrowne @ConnorYoh @EthanHealy01 @jbrunton96
+
+#V2 frontend
+/frontend/** @reecebrowne @ConnorYoh @EthanHealy01 @jbrunton96
+
+#V2 docker
+/docker/backend/** @Frooodle @Ludy87 @DarioGii
+/docker/frontend/** @reecebrowne @ConnorYoh @EthanHealy01 @jbrunton96
+/docker/compose/** @reecebrowne @ConnorYoh @EthanHealy01 @DarioGii @jbrunton96
+
+
+#GHA (All users)
+/.github/** @reecebrowne @ConnorYoh @EthanHealy01 @DarioGii @jbrunton96