Updates based on q chat logs

[alhambrav]

Ticket reference or full description of what's in the PR

Updates based on q chat logs

[coderabbitai]

Summary by CodeRabbit

Documentation

• Enhanced documentation clarity: Expanded Item Selector descriptions to highlight cross-referencing and linking capabilities
• Docker quick-start guide: Added a quick-start section to help users run CrafterCMS locally using Docker
• Content modeling documentation: Improved terminology consistency and configuration details across content type and form control guides
• Updated references: Refined terminology around node-selectors and item selector controls throughout documentation

Walkthrough

This PR updates documentation across 8 files, primarily clarifying item/node selector functionality, adding Docker quick-start guidance, and making minor formatting corrections. All changes are textual documentation updates with no functional code modifications.

Changes

Cohort / File(s)	Summary
Item Selector Clarifications source/by-role/author/index.rst, source/by-role/developer/common/content-modeling/form-item-selector.rst, source/reference/api/graphql.rst	Expanded documentation to clarify item selector as a node-selector control, emphasizing cross-referencing and linking capabilities; added configuration guidance and control type specifications.
Content Modeling Documentation source/by-role/developer/common/content-modeling/content-modeling.rst, source/by-role/developer/common/static-content-access.rst	Minor spacing fix in controller description; clarified content-type references and updated attachment field description to specify node-selector binding with AWS file upload data source.
Installation & Getting Started source/by-role/system-admin/installation.rst, source/getting-started/index.rst	Added Docker quick-start section for local evaluation; updated Docker section description to include "locally" qualifier.
Reference Documentation source/reference/modules/studio.rst	Updated Project Policy constraints description to clarify both filename and item name constraints can be applied.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• Fix formatting in a section in content modeling  #2048 — Modifies the same content-modeling.rst file with related minor formatting and wording fixes.
• Update content modeling article #2044 — Comprehensive rewrite of content-modeling.rst, potentially conflicting with this PR's updates to that file.

Suggested reviewers

• sumerjabri
• russdanner

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description only repeats the PR title without providing detailed information about what changes were made or why.	Expand the description to explain the key changes made across files, the rationale for updates, and how they relate to the q chat logs mentioned.
Title check	❓ Inconclusive	The title 'Updates based on q chat logs' is vague and does not clearly describe the main changes; it lacks specificity about what was updated.	Replace with a more descriptive title that summarizes the primary changes, e.g., 'Clarify item selector and node-selector documentation' or 'Update documentation for content modeling and Docker setup'.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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