Scaffold ToC for consolidated SDK docs

[dacharyc]

Pull Request Info

• Consolidated SDK docs: Draft ToC with placeholders for content for team discussion.

Reminder Checklist

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

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

Release Notes

Review Guidelines

REVIEWING.md

[github-actions]

Readability for Commit Hash: b9bead6

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

Readability scores for changed documents:

• source/sdk/telemetry: Grade Level: 8.4, Reading Ease: 36.62
• source/sdk/atlas: Grade Level: 18.6, Reading Ease: -6.02
• source/sdk/release-notes: Grade Level: 14.8, Reading Ease: -1.49
• source/sdk/install: Grade Level: 7.4, Reading Ease: 49.99
• source/sdk/users: Grade Level: 29.9, Reading Ease: -67.95
• source/sdk/model-data: Grade Level: 24.5, Reading Ease: -42.91
• source/sdk/sync: Grade Level: 26.2, Reading Ease: -31.23
• source/sdk/react-to-changes: Grade Level: 10.0, Reading Ease: 32.56
• source/sdk/serialization: Grade Level: 16.6, Reading Ease: -6.36
• source/sdk/files: Grade Level: 20.7, Reading Ease: -11.61
• source/sdk/crud: Grade Level: 14.6, Reading Ease: 31.21
• source/sdk/test-and-debug: Grade Level: 17.4, Reading Ease: -2.98
• source/sdk/quick-start: Grade Level: 4.1, Reading Ease: 80.28
• source/sdk/api-reference: Grade Level: 20.5, Reading Ease: -43.29
• source/sdk/files/encrypt-file: Grade Level: 6.2, Reading Ease: 58.45
• source/sdk/files/reduce-file-size: Grade Level: 5.2, Reading Ease: 66.4
• source/sdk/files/bundle-file: Grade Level: 2.9, Reading Ease: 83.32
• source/sdk/files/configure-and-open: Grade Level: 7.0, Reading Ease: 56.42
• source/sdk/files/delete-file: Grade Level: 2.9, Reading Ease: 83.32
• source/sdk/crud/query-engines: Grade Level: 19.0, Reading Ease: -7.04
• source/sdk/crud/threading: Grade Level: 8.4, Reading Ease: 36.62
• source/sdk/crud/update: Grade Level: 11.1, Reading Ease: 34.93
• source/sdk/crud/read: Grade Level: 8.8, Reading Ease: 51.85
• source/sdk/crud/delete: Grade Level: 9.6, Reading Ease: 44.41
• source/sdk/crud/create: Grade Level: 8.9, Reading Ease: 56.96
• source/sdk/crud/query-engines/filter-data-linq: Grade Level: 4.1, Reading Ease: 74.86
• source/sdk/crud/query-engines/filter-data-swift-sdk: Grade Level: 4.3, Reading Ease: 74.35
• source/sdk/crud/query-engines/filter-data-java-sdk: Grade Level: 8.8, Reading Ease: 46.44
• source/sdk/crud/query-engines/realm-query-language: Grade Level: 8.2, Reading Ease: 58.79
• source/sdk/users/manage-email-password-users: Grade Level: 11.3, Reading Ease: 23.59
• source/sdk/users/user-metadata: Grade Level: 12.3, Reading Ease: 21.06
• source/sdk/users/multi-user-applications: Grade Level: 15.9, Reading Ease: -4.33
• source/sdk/users/link-user-identities: Grade Level: 11.3, Reading Ease: 23.59
• source/sdk/users/create-and-delete-users: Grade Level: 1.3, Reading Ease: 92.8
• source/sdk/users/authenticate-users: Grade Level: 12.3, Reading Ease: 21.06
• source/sdk/users/manage-user-api-keys: Grade Level: 8.2, Reading Ease: 47.96
• source/sdk/users/custom-user-data: Grade Level: 10.2, Reading Ease: 32.05
• source/sdk/test-and-debug/log: Grade Level: 10.7, Reading Ease: 30.53
• source/sdk/test-and-debug/troubleshoot: Grade Level: 15.1, Reading Ease: 3.12
• source/sdk/test-and-debug/test: Grade Level: 10.7, Reading Ease: 30.53
• source/sdk/sync/manage-sync-sessions: Grade Level: 9.0, Reading Ease: 40.51
• source/sdk/sync/add-sync-to-app: Grade Level: 2.9, Reading Ease: 88.74
• source/sdk/sync/handle-sync-errors: Grade Level: 6.2, Reading Ease: 58.45
• source/sdk/sync/write-to-synced-database: Grade Level: 5.2, Reading Ease: 71.82
• source/sdk/sync/event-library: Grade Level: 6.9, Reading Ease: 67.35
• source/sdk/sync/partition-based-sync: Grade Level: 12.3, Reading Ease: 21.06
• source/sdk/sync/stream-data-to-atlas: Grade Level: 10.4, Reading Ease: 31.55
• source/sdk/sync/manage-sync-subscriptions: Grade Level: 12.7, Reading Ease: 14.63
• source/sdk/sync/configure-and-open-synced-database: Grade Level: 7.2, Reading Ease: 55.91
• source/sdk/atlas/connect: Grade Level: 6.0, Reading Ease: 64.37
• source/sdk/atlas/access-mongodb: Grade Level: 8.0, Reading Ease: 53.88
• source/sdk/atlas/call-function: Grade Level: 4.3, Reading Ease: 74.35
• source/sdk/model-data/change-object-model: Grade Level: 8.0, Reading Ease: 48.47
• source/sdk/model-data/model-data-device-sync: Grade Level: 7.0, Reading Ease: 56.42
• source/sdk/model-data/object-models: Grade Level: 6.5, Reading Ease: 63.05
• source/sdk/model-data/relationships: Grade Level: 14.3, Reading Ease: 10.56
• source/sdk/model-data/supported-types: Grade Level: 10.0, Reading Ease: 37.98

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.

[dacharyc]

This has served its purpose. Closing in favor of #3255 , which is an upstream feature branch with the final repo structure and clean build log.