rename mts to ts

common.ts

@@ -0,0 +1,25 @@
+export type MessageKind = "hello" | "update" | "endgame";
+
+export interface Message {
+    kind: MessageKind,
+    data: Response | Hello | EndGame,
+}
+
+export interface Request {
+    x: number,
+    y: number
+}
+
+export interface Response {
+    grid: number[],
+    last: { x: number, y: number, symbol: "x" | "o" }
+}
+
+export interface Hello {
+    id: number,
+    symbol: "x" | "o"
+}
+
+export interface EndGame {
+    issue: "win" | "lose" | "draw"
+}