Update packages to address GHSA-w7fw-mjwx-w883

[AlexJSully]

Update npm node packages to address security alert GHSA-w7fw-mjwx-w883 (https://github.com/AlexJSully/SciGrade/security/dependabot/30).

[Copilot]

Pull request overview

This PR updates npm packages to address security alert GHSA-w7fw-mjwx-w883. The changes include dependency version updates and extensive documentation improvements for clarity and accuracy.

Changes:

• Updated 8 devDependencies to newer versions (playwright, eslint, prettier, etc.)
• Improved documentation with better descriptions, corrected terminology (gRNA → guide RNA, PAM spelled out)
• Enhanced JSDoc comments with proper type annotations (String → string, Num → number)

Reviewed changes

Copilot reviewed 14 out of 16 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
package.json	Updated 8 devDependency versions for security fix
package-lock.json	Synchronized lockfile with package.json updates
docs/index.md	Improved app description and clarified flow details
docs/guides/setup.md	Updated Node requirement to 20+, clarified project structure
docs/guides/marking-algorithm.md	Expanded validation logic explanations with implementation details
docs/guides/data-structures.md	Improved data format descriptions and examples
docs/architecture/index.md	Enhanced system overview with better component relationships
docs/api/index.md	Corrected JSDoc types and improved function documentation
core/systemrun.html	Fixed JSDoc type annotation (String → string)
core/scripts/login.test.js	Removed redundant header comment
core/scripts/login.js	Improved JSDoc documentation consistency
core/scripts/crispr_scripts.test.js	Removed redundant header comment
core/scripts/crispr_scripts.js	Fixed comment typo (F1→R1), improved JSDoc consistency
README.md	Clarified local deployment instructions
EDIT.MD	Improved marking algorithm description accuracy

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