DOCSP-39166: Kotlin: Change baseURL during runtime

[cbullinger]

Pull Request Info

Jira ticket: https://jira.mongodb.org/browse/DOCSP-39166

• Connect to Atlas App Services - Kotlin SDK: New "Connect to a Specific Server" section with baseURL info. New "Connect to a Different Server During Runtime" subsection with info about the experimental API

Reminder Checklist

Before merging your PR, make sure to check a few things.

• [x] Did you tag pages appropriately?
  • genre
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• [x] Describe your PR's changes in the Release Notes section
• [x] Create a Jira ticket for related docs-app-services work, if any

Release Notes

• Kotlin SDK
  • Connect to Atlas/Connect to App Services: New "Connect to a Specific Server" section with baseUrl info. New "Connect to a Different Server During Runtime" subsection with info about the experimental API.

Review Guidelines

REVIEWING.md

[github-actions[bot]]

Readability for Commit Hash: 64319c41d3613125d8fe575660ee17447d0515d1

You can see any previous Readability scores (if they exist) by looking at the comment's history.

Readability scores for changed documents:

• source/sdk/kotlin/app-services/connect-to-app-services-backend: Grade Level: 8.2, Reading Ease: 58.79

For Grade Level, aim for 8 or below.

For Reading Ease scores, aim for 60 or above:

Score	Difficulty
90-100	Very Easy
80-89	Easy
70-79	Fairly Easy
60-69	Medium
50-59	Fairly Hard
30-49	Hard
0-29	Very Hard

For help improving readability, try Hemingway App.

[cbullinger]

@dacharyc Failing test is related to auth error for a function call. I need to look into it from the App Services side.

[docs-builder-bot]

✨ Staging URL: https://preview-mongodbmongodb.gatsbyjs.io/realm/master/

🪵 Logs

• job log: a5a5d856ca634eaf93ee6d7fd3838f2568414f1c