feat: add api package

packages/api/src/Domain/Error/ApiCallError.ts

@@ -0,0 +1,6 @@
+export class ApiCallError extends Error {
+  constructor(message: string) {
+    super(message)
+    Object.setPrototypeOf(this, ApiCallError.prototype)
+  }
+}

packages/api/src/Domain/Error/ErrorMessage.ts

@@ -0,0 +1,7 @@
+export enum ErrorMessage {
+  RegistrationInProgress = 'An existing registration request is already in progress.',
+  GenericRegistrationFail = 'A server error occurred while trying to register. Please try again.',
+  RateLimited = 'Too many successive server requests. Please wait a few minutes and try again.',
+  InsufficientPasswordMessage = 'Your password must be at least %LENGTH% characters in length. For your security, please choose a longer password or, ideally, a passphrase, and try again.',
+  PasscodeRequired = 'Your passcode is required in order to register for an account.',
+}

packages/api/src/Domain/Error/index.ts

@@ -0,0 +1,2 @@
+export * from './ApiCallError'
+export * from './ErrorMessage'