feat(cloud): add find-workspace and email verification endpoints (#2020)

* feat: add find-workspace and email verification endpoints
* sync

apps/server/src/common/validators/is-iso6391.ts

@@ -0,0 +1,34 @@
+// MIT - https://github.com/typestack/class-validator/pull/2626
+import isISO6391Validator from 'validator/lib/isISO6391';
+import { buildMessage, ValidateBy, ValidationOptions } from 'class-validator';
+
+export const IS_ISO6391 = 'isISO6391';
+
+/**
+ * Check if the string is a valid [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) officially assigned language code.
+ */
+export function isISO6391(value: unknown): boolean {
+  return typeof value === 'string' && isISO6391Validator(value);
+}
+
+/**
+ * Check if the string is a valid [ISO 639-1](https://en.wikipedia.org/wiki/ISO_639-1) officially assigned language code.
+ */
+export function IsISO6391(
+  validationOptions?: ValidationOptions,
+): PropertyDecorator {
+  return ValidateBy(
+    {
+      name: IS_ISO6391,
+      validator: {
+        validate: (value, args): boolean => isISO6391(value),
+        defaultMessage: buildMessage(
+          (eachPrefix) =>
+            eachPrefix + '$property must be a valid ISO 639-1 language code',
+          validationOptions,
+        ),
+      },
+    },
+    validationOptions,
+  );
+}