(DOCSP-32521): Swift: Add docs for new geospatial data type

[dacharyc]

Pull Request Info

DO NOT MERGE until the Swift SDK makes a release containing this functionality. Prior to merging:

• [x] Update the SDK test suite to use the release version
• [x] Check for API reference links, and add any applicable links to the docs
• [x] Update the .. versionadded:: ? in the docs to the release version

Jira ticket: https://jira.mongodb.org/browse/DOCSP-32521

• Supported Types: New section with info about persisting geospatial data types
• CRUD/Read: New section with info about querying geospatial data
• CRUD/Filter Data: New sections for both query engines about querying geospatial data

Reminder Checklist

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

• [x] Did you tag pages appropriately?
  • genre
  • meta.keywords
  • meta.description
• [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

• Swift SDK
  • Model Data/Supported Data Types: Add a section with information about persisting geospatial data types.
  • CRUD
  • Read: New section with information and tested, Bluehawked code examples about querying geospatial data.
  • Filter: New sections for both query engines with information and tested, Bluehawked code examples about querying geospatial data.

Review Guidelines

REVIEWING.md

[github-actions[bot]]

Readability for Commit Hash: 6b6a00d18deccb7dde029fe525a0a98ba3f1aa5c

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

Readability scores for changed documents:

• source/sdk/swift/model-data/supported-types: Grade Level: 9.4, Reading Ease: 50.23
• source/sdk/swift/crud/filter-data: Grade Level: 10.0, Reading Ease: 48.6
• source/sdk/swift/crud/read: Grade Level: 8.6, Reading Ease: 57.77

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.

[docs-builder-bot]

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

🪵 Logs

• job log: 2c01e8419d6cd4e6947b3fb349ccafbdbc9276d7