[feat] Add support for chat stickers

This commit adds support for chat stickers by allowing users to use stickers in chat message window.
The users can toggle show additional asset list using a button.
Added Additional assets file extension data.
Additional assets list shows preview.
Optimized render when use streaming api. (prevent markdown again when message not changed)
Added controls to Video/Audio Assets

src/ts/storage/database.ts

@@ -339,7 +339,7 @@ export interface character{
         VOLUME_SCALE?: number
     }
     supaMemory?:boolean
-    additionalAssets?:[string, string][]
+    additionalAssets?:[string, string, string][]
     ttsReadOnlyQuoted?:boolean
     replaceGlobalNote:string
     backgroundHTML?:string
@@ -522,7 +522,8 @@ export interface Database{
             expires_in?: number
         }
     },
-    classicMaxWidth: boolean
+    classicMaxWidth: boolean,
+    useChatSticker:boolean,
 }
 
 interface hordeConfig{
@@ -561,6 +562,7 @@ export interface Chat{
     supaMemoryData?:string
     lastMemory?:string
     suggestMessages?:string[]
+    isStreaming?:boolean
 }
 
 export interface Message{