Update localization files + references (#4556)

* Initial plan

* Add localization support to NameChangeModal component

Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

* Add NameChangeModal translations to English language file

Co-authored-by: gabek <414923+gabek@users.noreply.github.com>

* fix(i18n): fix localization keys

* chore(test): add i18n test

* chore(i18n): update translation script

* chore(i18n): reorgnize translation keys and update components

* chore: fix linting warnings

* chore(i18n): update all the language files

* feat(i18n): add last live ago i18n key

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gabek <414923+gabek@users.noreply.github.com>
Co-authored-by: Gabe Kangas <gabek@real-ity.com>

web/i18n/en/translation_old.json

@@ -5,7 +5,7 @@
     "messageCount": "<strong><em>Missing translation Testing.messageCount: Please report</em></strong>",
     "noPluralKey": "<strong><em>Missing translation Testing.noPluralKey: Please report</em></strong>",
     "itemCount_one": "You have {{count}} item",
-    "messageCount_one": "{{sender}} has sent one message"
+    "messageCount_one": "You have {{count}} message from {{sender}}"
   },
   "Frontend": {
     "helloWorld": "<strong><em>Missing translation Frontend.helloWorld: Please report</em></strong>",
@@ -60,6 +60,14 @@
       "showNotifications": "Show notifications",
       "unsupported": "Browser notifications are not supported in your browser.",
       "unsupportedLocal": "Browser notifications are not supported for local servers."
+    },
+    "NameChangeModal": {
+      "authInfo": "You can also authenticate an IndieAuth or Fediverse account via the \"Authenticate\" menu.",
+      "buttonText": "Change name",
+      "colorLabel": "Your Color",
+      "description": "Your chat display name is what people see when you send chat messages.",
+      "overLimit": "Over limit",
+      "placeholder": "Your chat display name"
     }
   },
   "Admin": {