added type compatibility layer

added text data entry for sending new messages
added websockets connection
added type annots
UNTESTED interop between TSX and Java backend

src/Chat/ChatMessage.tsx

@@ -6,6 +6,14 @@ enum FileType {
     EXEC_BINARY,
     UNKNOWN,
 }
+export type User = {
+    name: string,
+    userId: string,
+    avatar: Avatar
+} 
+export type Avatar = {
+    pictureUri: string,
+}
 export type Attachment = {
     name: string,
     uri: string,
@@ -21,3 +29,6 @@ export type ChatMessage = {
     message: string,
     attachments: Attachment
 }
+export type ServerMsgType = {
+    
+}