[READY FOR MERGE] Implement newsletter (#1532)

* feat: implement basic newsletter functionality with socket integration and event handling

* feat: enhance media handling for newsletters with raw media upload support

* feat: working updatePicture, removePicure, adminCount, mute, Unmute

* fix: fetchMessages

* chore: cleanup

* fix: update newsletter metadata path and query ID for consistency. newsletterMetadata works now

* chore: enhance newsletter metadata parsing and error handling

* fix: correct DELETE QueryId value in Newsletter.ts

* chore: split mex stuffs to own file

* chore: remove as any

src/Types/Message.ts

@@ -15,6 +15,7 @@ export type WAContactMessage = proto.Message.IContactMessage
 export type WAContactsArrayMessage = proto.Message.IContactsArrayMessage
 export type WAMessageKey = proto.IMessageKey & {
 	senderLid?: string
+	server_id?: string
 	senderPn?: string
 	participantLid?: string
 	participantPn?: string
@@ -292,6 +293,7 @@ export type MediaGenerationOptions = {
 export type MessageContentGenerationOptions = MediaGenerationOptions & {
 	getUrlInfo?: (text: string) => Promise<WAUrlInfo | undefined>
 	getProfilePicUrl?: (jid: string, type: 'image' | 'preview') => Promise<string | undefined>
+	jid?: string
 }
 export type MessageGenerationOptions = MessageContentGenerationOptions & MessageGenerationOptionsFromContent