feat: add Read the Docs and full-page search

[ReenigneArcher]

Description

Implements readthedocs search and full page search results.

Screenshot

Issues Fixed or Closed

• Resolves Improve search #19

Roadmap Issues

Type of Change

• feat: New feature (non-breaking change which adds functionality)
• fix: Bug fix (non-breaking change which fixes an issue)
• docs: Documentation only changes
• style: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.)
• refactor: Code change that neither fixes a bug nor adds a feature
• perf: Code change that improves performance
• test: Adding missing tests or correcting existing tests
• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Other changes that don't modify src or test files
• revert: Reverts a previous commit
• BREAKING CHANGE: Introduces a breaking change (can be combined with any type above)

Checklist

• Code follows the style guidelines of this project
• Code has been self-reviewed
• Code has been commented, particularly in hard-to-understand areas
• Code docstring/documentation-blocks for new or existing methods/components have been added or updated
• Unit tests have been added or updated for any new or modified functionality

AI Usage

See our AI usage policy.

• None: No AI tools were used in creating this PR
• Light: AI provided minor assistance (formatting, simple suggestions)
• Moderate: AI helped with code generation or debugging specific parts
• Heavy: AI generated most or all of the code changes

[codecov]

Codecov Report

❌ Patch coverage is 98.78049% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 92.91%. Comparing base (8bb603c) to head (993b8de).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/dockle/theme.py	98.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #30      +/-   ##
==========================================
+ Coverage   92.81%   92.91%   +0.09%     
==========================================
  Files          11       11              
  Lines        1866     1920      +54     
  Branches       51       55       +4     
==========================================
+ Hits         1732     1784      +52     
- Misses        134      136       +2     

Flag	Coverage Δ
Linux-python-3.11	92.65% <98.33%> (+0.10%)	⬆️
Linux-python-3.14	92.65% <98.33%> (+0.10%)	⬆️
Windows-python-3.11	92.82% <98.33%> (+0.10%)	⬆️
Windows-python-3.14	92.82% <98.33%> (+0.10%)	⬆️
macOS-python-3.11	92.65% <98.33%> (+0.10%)	⬆️
macOS-python-3.14	92.65% <98.33%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/dockle/jsdoc_template/publish.js	93.27% <100.00%> (+0.09%)	⬆️
src/dockle/theme.py	95.44% <98.33%> (+0.09%)	⬆️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud