Code quality improvements and cleanup + Implemented ChatService

src/domain/chatService.schema.ts

@@ -0,0 +1,43 @@
+// Request schemas
+export interface GetChatsReq {
+    userid: string
+}
+
+export interface StartNewReq {
+    userid: string
+    peerUsername: string
+}
+
+export interface ToggleChatMuteReq {
+    userid: string
+    chatid: string
+}
+
+export interface GetAvailabilityReq {
+    targetId: string
+    connId: string
+}
+
+export interface GetAvailabilityResp {
+    available: boolean
+}
+
+// Types
+export interface Chat {
+    userid: string
+    chatid: string
+    username: string
+    displayName: string
+    pfp: string
+    status: 0 | 1
+    type: "outgoing" | "incoming"
+    notifications: number
+    muted: boolean
+    latestMessage: LatestMessage
+}
+
+export interface LatestMessage {
+    message: string
+    isAuthor: boolean
+    msgid: string
+}