chore: update hydra docs link on PR template

Author: zamitto

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -2,11 +2,9 @@
 
 **When submitting this pull request, I confirm the following (please check the boxes):**
 
-- [ ] I have read and understood the [Contributor Guidelines](https://github.com/hydralauncher/hydra?tab=readme-ov-file#ways-you-can-contribute).
+- [ ] I have read the [Hydra documentation](https://docs.hydralauncher.gg/getting-started.html).
 - [ ] I have checked that there are no duplicate pull requests related to this request.
 - [ ] I have considered, and confirm that this submission is valuable to others.
 - [ ] I accept that this submission may not be used and the pull request may be closed at the discretion of the maintainers.
 
 **Fill in the PR content:**
-
--