doc: add new landing page for Tesseract ecosystem

[dionhaefner]

Relevant issue or PR

Description of changes

Testing done

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.56%. Comparing base (61a8140) to head (8ae8d81).

❗ There is a different number of reports uploaded between BASE (61a8140) and HEAD (8ae8d81). Click for more details.

HEAD has 25 uploads less than BASE

Flag	BASE (61a8140)	HEAD (8ae8d81)
	32	7

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
- Coverage   77.16%   67.56%   -9.60%     
==========================================
  Files          32       32              
  Lines        4418     4418              
  Branches      728      728              
==========================================
- Hits         3409     2985     -424     
- Misses        714     1192     +478     
+ Partials      295      241      -54     

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[samalipio]

The previews on hover for a few of the buttons look funky for me in dark mode on Firefox. Not super important, just dropping the feedback before I forget