Add avatar size instruction notice

src/components/user_settings/user_settings.vue

@@ -41,6 +41,7 @@
           </div>
           <div class="setting-item">
             <h2>{{$t('settings.avatar')}}</h2>
+            <p class="visibility-notice">{{$t('settings.avatar_size_instruction')}}</p>
             <p>{{$t('settings.current_avatar')}}</p>
             <img :src="user.profile_image_url_original" class="old-avatar"></img>
             <p>{{$t('settings.set_new_avatar')}}</p>

src/i18n/en.json

@@ -118,6 +118,7 @@
     "delete_account_description": "Permanently delete your account and all your messages.",
     "delete_account_error": "There was an issue deleting your account. If this persists please contact your instance administrator.",
     "delete_account_instructions": "Type your password in the input below to confirm account deletion.",
+    "avatar_size_instruction": "The recommended minimum size for avatar images is 150x150 pixels.",
     "export_theme": "Save preset",
     "filtering": "Filtering",
     "filtering_explanation": "All statuses containing these words will be muted, one per line",