feat(welcome): add welcome tab for first-time users

[bajrangCoder]

• Add welcome tab and its command in command palette
• fix the issue of hideQuickTools parameter when creating custom editor tabs
• add docs url on help page
• keep social links on constant.js instead of here and there

[gemini-code-assist]

Summary of Changes

Hello @bajrangCoder, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new 'Welcome' tab designed to enhance the first-time user experience by providing an interactive guide to the application's features. It also refines the handling of UI elements like quick tools for custom editor tabs and centralizes external links for improved maintainability and consistency.

Highlights

• Welcome Tab Introduction: A new 'Welcome' tab has been added for first-time users, providing a guided introduction to the application's features and key actions.
• Command Palette Integration: A new command 'acode:showWelcome' is now available in the command palette, allowing users to easily open the welcome tab at any time.
• Quick Tools Visibility Fix: The behavior of the 'hideQuickTools' parameter for custom editor tabs has been refined, ensuring that quick tools are correctly hidden or shown based on the active file's properties.
• Centralized Social Links: All social media and documentation URLs are now managed from a single 'constants.js' file, improving maintainability and consistency across the application.
• Documentation Link on Help Page: A direct link to the official documentation has been added to the help page, making it easier for users to find detailed information.

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[gemini-code-assist]

Code Review

This pull request introduces a new welcome tab for first-time users, which is a great enhancement for user onboarding. The changes also include centralizing social media and documentation links into a constants file, which improves maintainability. Additionally, a bug related to hiding quick tools on custom editor tabs has been addressed. My review includes feedback on internationalization practices, suggesting the use of composite keys for translatable strings and ensuring all new strings are translated. I've also pointed out an opportunity to improve code structure by centralizing shared assets like icons to avoid duplication.

[UnschooledGamer]

In the future, we may have to change this icon used for the command palette on the Welcome page. As the quick tools panel uses three horizontal dots.

[bajrangCoder]

yes but that doesn't look good on the page