Add search bar and minor github/contributing improvements

[YodaForce157]

Currently adds a search bar, fixes some theme issues, and adds a readme and contributing file

[Copilot]

Pull Request Overview

This PR adds a search bar to the website, fixes some theme issues, and enhances the project with documentation and configuration files. The changes primarily focus on improving code documentation formatting and establishing proper project setup.

• Adds local search functionality to the VitePress configuration
• Creates README.md and CONTRIBUTING.md files for better project documentation
• Standardizes heading formatting across documentation files by changing from ### to ## for section headers
• Adds theme improvements with better comments and search configuration
• Includes configuration files for code formatting and linting

Reviewed Changes

Copilot reviewed 25 out of 35 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
.vitepress/config.mts	Adds local search provider configuration
.vitepress/theme/custom.css	Improves CSS comments for better code documentation
README.md	Creates project README with basic information and technology stack
CONTRIBUTING.md	Establishes comprehensive contributing guidelines and requirements
.prettierrc.json	Adds Prettier configuration for consistent code formatting
.markdownlint.json	Configures markdown linting rules
Multiple .md files	Standardizes heading hierarchy and fixes formatting issues

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