Add translation system

[Sergih28]

Including initial translations for the navbar page

What type of PR is this? (Check all applicable)

• [x] 🚀 Feature
• [ ] 🐛 Bug Fix
• [ ] 📚 Documentation
• [ ] 💻 Blog post
• [ ] 🎨 Styles
• [ ] 🛠️ Refactoring
• [ ] 🕵️‍♀️ Code Review
• [ ] 🚑 Hotfix
• [ ] 🧪 Test
• [x] 🌐 Localization/Internationalization
• [x] ⚙️ Configuration and Environment
• [ ] 🚫 Deprecation or Removal
• [ ] 📦 Release
• [ ] ⏪ Revert

Description

Please describe the changes in this pull request:

Add a manual translation system following astro docs. I tried with an astro friendly library but was not updated for a year and things got messy with astro islands, so decided to go the manual custom way.

Related Issues

Please link related issues by removing lines that are not applicable.

• Addresses #14

Checklist

Before submitting this pull request, please make sure you have done the following:

Code Quality

• [ ] Reviewed your code for any potential issues.
• [ ] Checked for coding style and formatting.

Updated documentation?

• [ ] ✅ Yes
• [ ] 🙅 No, because there is nothing to update
• [ ] 🙋‍♂️ No, I need help

Added tests for your changes?

• [ ] ✅ Yes
• [ ] 🙅 No, because they are not needed
• [ ] 🙋‍♂️ No, I need help

UI Changes

• [ ] Added screenshots or recordings to demonstrate UI-related changes (if applicable).

Additional Information

Replace this text with any additional information.

[Sergih28]

@ehdlg address the comments above please 😃