JS getting started/quick start guide: update recommended auth token usage for source maps

[inventarSarah]

SDK

JavaScript SDK

Description

In the following JavaScript SDKs, the auth token needed for source maps upload is stored directly in the project's config files (and similar):

• Nuxt
• React Router Framework
• SolidStart

Example:

While we always advise that the user should never commit the authentication token since it's a secret, we should also demonstrate best practice by storing the auth token in an environment variable.

Example:

Suggested Solution

• Update the getting started/quick start guides for the listed SDKs.
• Update the wording in the Next.js quick start guide so that it is clear that storing the auth token in an environment variable is strongly recommended