Refactor Global state into Context Files (#128)

src/UserContext.ts

@@ -0,0 +1,20 @@
+import { DatabaseAccount } from "./Contracts/DataModels";
+
+interface UserContext {
+  masterKey?: string;
+  subscriptionId?: string;
+  resourceGroup?: string;
+  databaseAccount?: DatabaseAccount;
+  endpoint?: string;
+  accessToken?: string;
+  authorizationToken?: string;
+  resourceToken?: string;
+}
+
+const userContext: Readonly<UserContext> = {} as const;
+
+function updateUserContext(newContext: UserContext): void {
+  Object.assign(userContext, newContext);
+}
+
+export { userContext, updateUserContext };