started work on frontend message handlers

added type annots to reinforce data structure robustness
started creating Chat.tsx event handlers

src/Chat/ChatMessage.tsx

@@ -0,0 +1,23 @@
+enum FileType {
+    FILE_TXT,
+    DOCUMENT_WORD,
+    DOCUMENT_PDF,
+    IMAGE,
+    EXEC_BINARY,
+    UNKNOWN,
+}
+export type Attachment = {
+    name: string,
+    uri: string,
+    sizeBytes: number,
+    filetype: FileType
+}
+export type ChatMessage = {
+    from: string,
+    fromIP: string,
+    to: Array<string>,
+    toIPs: Array<string>,
+    timestampPosted: number,
+    message: string,
+    attachments: Attachment
+}