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

web/public/locales/en/components/icons.json

@@ -1,8 +1,8 @@
 {
-    "iconPicker": {
-        "selectIcon": "Select an icon",
-        "search": {
-            "placeholder": "Search for an icon..."
-        }
+  "iconPicker": {
+    "selectIcon": "Select an icon",
+    "search": {
+      "placeholder": "Search for an icon..."
     }
-}
+  }
+}