i18n fixes (#17184)

* update PR template

* fix hook

* fix input

* fix hook

* add all audio detector keys

* add frigate+ keys

* fix spelling, formatting, and spacing

* fix labels

* capitalization

* fix timestamp

* fix menu

* fix plus text

* fix download label

* docs

* fix docs build

* fix docs formatting

.github/pull_request_template.md

@@ -2,12 +2,12 @@
 <!--
   Thank you!
 
-  If you're introducing a new feature or significantly refactoring existing functionality, 
-  we encourage you to start a discussion first. This helps ensure your idea aligns with 
+  If you're introducing a new feature or significantly refactoring existing functionality,
+  we encourage you to start a discussion first. This helps ensure your idea aligns with
   Frigate's development goals.
 
   Describe what this pull request does and how it will benefit users of Frigate.
-  Please describe in detail any considerations, breaking changes, etc. that are 
+  Please describe in detail any considerations, breaking changes, etc. that are
   made in this pull request.
 -->
 
@@ -24,7 +24,7 @@
 ## Additional information
 
 - This PR fixes or closes issue: fixes #
-- This PR is related to issue: 
+- This PR is related to issue:
 
 ## Checklist
 
@@ -35,4 +35,5 @@
 - [ ] The code change is tested and works locally.
 - [ ] Local tests pass. **Your PR cannot be merged unless tests pass**
 - [ ] There is no commented out code in this PR.
+- [ ] UI changes including text have used i18n keys and have been added to the `en` locale.
 - [ ] The code has been formatted using Ruff (`ruff format frigate`)