docs: Add verified email requirement to Flash documentation (#595)

Co-authored-by: promptless[bot] <179508745+promptless[bot]@users.noreply.github.com>

Author: muhsinking

flash/overview.mdx

@@ -48,6 +48,10 @@ Write `@Endpoint` decorated Python functions on your local machine. Run them, an
 
 ## Setup
 
+<Note>
+Flash requires a Runpod account with a verified email address.
+</Note>
+
 ### Install Flash
 
 <Note>

flash/quickstart.mdx

@@ -12,7 +12,7 @@ This quickstart gets you running GPU workloads on Runpod in minutes. You'll exec
 
 ## Requirements
 
-- [Runpod account](/get-started/manage-accounts).
+- [Runpod account](/get-started/manage-accounts) with a verified email address.
 - [An API key](/get-started/api-keys) with **All** access permissions to your Runpod account.
 - [Python 3.10-3.12](https://www.python.org/downloads/) installed (3.13+ is not yet supported).
 - [uv](https://docs.astral.sh/uv/) installed.