feat(plugin-typescript): setup plugin project base

[BioPhoton]

This PR include the foundation for the TypeScript plugin.

It includes Nx related files, testing and typescript setup.

[github-actions]

Code PushUp

😟 Code PushUp report has regressed – compared target commit 62cbc04 with source commit 1686dda.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Categories

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Performance	🟡 53	🟡 50
Code coverage	🟢 91	🟢 91
Documentation	🔴 23	🔴 23
Security	🟡 81	🟡 81	–
Updates	🟡 77	🟡 77	–
Accessibility	🟢 92	🟢 92	–
Best Practices	🟢 100	🟢 100	–
SEO	🟡 61	🟡 61	–
Bug prevention	🟢 100	🟢 100	–
Code style	🟢 100	🟢 100	–

👎 3 groups regressed, 👎 7 audits regressed, 11 audits changed without impacting score

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score	🔄 Score change
Lighthouse	Performance	🟡 53	🟡 50
Code coverage	Code coverage metrics	🟢 91	🟢 91
JSDoc coverage	Documentation coverage	🔴 23	🔴 23

15 other groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value	🔄 Value change
Lighthouse	First Contentful Paint	🟨 2.8 s	🟥 3.1 s
Lighthouse	Speed Index	🟥 6.0 s	🟥 6.3 s
Lighthouse	Largest Contentful Paint	🟨 3.2 s	🟨 3.4 s
Lighthouse	Time to Interactive	🟥 14.3 s	🟥 16.7 s
Code coverage	Branch coverage	🟨 86 %	🟨 85.9 %
JSDoc coverage	Variables coverage	🟥 193 undocumented variables	🟥 194 undocumented variables
Code coverage	Line coverage	🟩 90.6 %	🟩 90.6 %
Lighthouse	Minimizes main-thread work	🟥 14.3 s	🟥 19.7 s
Lighthouse	Avoids enormous network payloads	🟩 Total size was 1,814 KiB	🟩 Total size was 1,810 KiB
Lighthouse	JavaScript execution time	🟥 6.9 s	🟥 9.9 s
Lighthouse	Metrics	🟩 100%	🟩 100%
Lighthouse	Total Blocking Time	🟥 4,560 ms	🟥 6,450 ms
Lighthouse	Max Potential First Input Delay	🟥 2,440 ms	🟥 3,050 ms
Lighthouse	Eliminate render-blocking resources	🟥 Potential savings of 1,000 ms	🟥 Potential savings of 1,200 ms
Lighthouse	Initial server response time was short	🟩 Root document took 280 ms	🟩 Root document took 450 ms
Lighthouse	Uses efficient cache policy on static assets	🟨 27 resources found	🟨 27 resources found
Lighthouse	Network Round Trip Times	🟩 60 ms	🟩 20 ms
Lighthouse	Server Backend Latencies	🟩 90 ms	🟩 120 ms

578 other audits are unchanged.

[matejchalk]

Other projects don't have mocks directory excluded this way. Is it needed? The **/mocks/fixtures pattern is globally ignored, BTW.