Cherry-pick .gitignore updates from website branch

[Copilot]

Summary

Synchronizes .gitignore with the version from the website branch (BlobSha: 5d364da) to ensure consistent ignore patterns across branches.

Motivation

The website branch contains updated .gitignore patterns for modern web development tooling (Docusaurus, vuepress, Yarn, npm) that are missing from main. These patterns prevent committing build artifacts, cache files, and dependencies.

Type of Change

• Refactoring / internal improvement

Changes

• Added .env.local to environment file patterns
• Added npm/yarn/pnpm/lerna debug log patterns
• Added logs entry (symlink/directory without trailing slash)
• Added *.lcov and testresults.xml to coverage patterns
• Added *.tgz to package archive patterns
• Added vuepress v2.x patterns (.temp, .cache)
• Added Docusaurus patterns (.docusaurus, .cache-loader)
• Added .yarn-integrity for Yarn
• Added node/npm website patterns (.npm, node_modules/, jspm_packages/)
• Added runtime files section (pids, *.pid, *.seed, *.pid.lock)

Testing

• Manual testing

How to test & review

Compare against website branch .gitignore (BlobSha: 5d364da532d267a7d4f41e35c5f6d8b81ed5c002). All new patterns are standard for PowerShell/Node.js projects with documentation tooling.

Checklist

• Code follows STYLEGUIDE.md
• Tests added or updated
• Documentation updated
• No UI/auth logic added to IdLE.Core
• No breaking changes without discussion

Related Issues

None

Original prompt

Update the .gitignore file on the main branch with the version from the website branch.

The .gitignore file should be updated with the following content from the website branch (BlobSha: 5d364da532d267a7d4f41e35c5f6d8b81ed5c002):

# OS
Thumbs.db
.DS_Store
desktop.ini

# Visual Studio / .NET
*.user
*.suo
*.userosscache
*.sln.docstates
*.dbmdl
.vs/
bin/
obj/
TestResults/
*.cache
*.pdb
*.dll
*.exe
*.nuget/
*.nupkg

# Visual Studio Code
.vscode/
history/

# Environment files
.env
.env.*.local
.env.local

# Logs
*.log
logs/
logs
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*

# Coverage & Tests
.coverage
coverage/
coverage.*
test-results.*
*.lcov
testresults.xml

# Packages
*.7z
*.zip
*.tar.gz
*.tgz
*.rar

# PowerShell / PowerShell Core
# PSReadLine history, transcripts and module/cache artifacts
**/ConsoleHost_history.txt
**/pwsh_history
*.transcript
*.pssc
ModuleAnalysisCache/
**/ModuleAnalysisCache/

# Build Directories
build/
dist/
deploy/
build_output/
BuildOutput/
artifacts/
*.bak

# vuepress v2.x temp and cache directory
.temp
.cache

# Docusaurus cache and generated files
.docusaurus
.cache-loader

# Yarn Integrity file
.yarn-integrity

# node & npm (website)
.npm
node_modules/
jspm_packages/

# Runtime files
# Runtime data
pids
*.pid
*.seed
*.pid.lock

# End of file

This cherry-picks the .gitignore changes from the website branch to main.

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