feat: use apiKey instead of jwt for requests

[kristencheung]

Description

Use api keys instead of jwt token

TODO: swap localhost with hypermode urls

Checklist

• Code compiles correctly and linting passes locally
• Tests added for new functionality, or regression tests for bug fixes added as applicable
• For new features, etc., PR on docs repo staged and
  linked here

[Copilot]

Pull Request Overview

This PR transitions authentication from using JWT tokens to API keys, modifying the login flow, GraphQL utility functions, and settings file storage accordingly.

• Updated login flow to create and use an API key instead of a JWT.
• Refactored GraphQL request functions to accept API keys and updated endpoint URLs.
• Modified settings file functions to store API keys rather than JWT tokens.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
src/commands/login/index.ts	Changed login URL, added API key creation and validation, and updated settings writing.
src/util/graphql.ts	Updated GraphQL functions to use API keys in headers and modified endpoint URLs.
src/util/index.ts	Updated writeToSettingsFile to store API key instead of JWT in settings.