PR title:

<!-- update a lot of metadata missed in migrate copy/paste phase-->

• [x] re-order fundamentals
• [x] check/update authors and their details and lesson titles and descriptions for all .mdx file except Fundamentals Track in:
• [x] the following component:LessonLayout,
• [x] and and in objects inside: lessonArray and in return statement inside /tracks/index.tsx
• [x] complete above tasks for Fundamentals track (I was breaking lots of things, so reverted to doing it Fundamentals separately)
• [x] make a good pass at other possible incorrect descriptions because of copy/paste until now

PR title:

• [ ] n.b. createDates inside LessonLayout component need to be correctly updated - not a major issue though.

• [ ] make a second (but not final) pass on tags on all files

PR title:

• [ ] create meaningful descriptions (~300 characters) for tracks - I will tag you about this @wolovin