add turns and update token logic.

src/lib/meContext.ts

@@ -0,0 +1,14 @@
+import { getContext, hasContext, setContext } from "svelte";
+import type { Me } from "./me";
+
+export function setMeContext(me: Me) {
+	setContext("me", me);
+}
+
+export function getMeContext(): Me | null {
+	if (hasContext("me")) {
+		return getContext("me");
+	}
+
+	return null;
+}