Add initial JSON data files and implement core page components for game functionality

app/Model/SessionStore.js

@@ -0,0 +1,30 @@
+const session = {
+  currentUid: null,
+  currentGid: null,
+  currentSGid: null,
+  currentTGid: null,
+};
+
+const setSessionUser = (user) => {
+  session.currentUid = user?.Uid ?? null;
+  session.currentGid = user?.Gid ?? null;
+  session.currentSGid = user?.SGid ?? null;
+  session.currentTGid = user?.TGid ?? null;
+};
+
+const setSessionGroup = (gid, sgid = null) => {
+  session.currentGid = gid ?? null;
+  if (sgid !== null && sgid !== undefined) {
+    session.currentSGid = sgid;
+  }
+};
+
+const setSessionTeam = (tgid) => {
+  session.currentTGid = tgid ?? null;
+};
+
+const getSession = () => ({ ...session });
+
+export { setSessionUser, setSessionGroup, setSessionTeam, getSession };
+
+