FEATURE: add slug geneartion options

config/locales/server.en.yml

@@ -1142,6 +1142,8 @@ en:
 
     prevent_anons_from_downloading_files: "Prevent anonymous users from downloading attachments. WARNING: this will prevent any non-image site assets posted as attachments from working."
 
+    slug_generation_method: "Choose a slug generation method. 'encoded' will generate percent encoding string. 'none' will disable slug at all."
+
     enable_emoji: "Enable emoji"
     emoji_set: "How would you like your emoji?"
     enforce_square_emoji: "Force a square aspect ratio to all emojis."

config/site_settings.yml

@@ -779,6 +779,10 @@ uncategorized:
     client: true
     default: true
 
+  slug_generation_method:
+    default: 'ascii'
+    enum: 'SlugSetting'
+
   # Search
   min_search_term_length:
     client: true