docs/rofl: Rewrite ROFL docs to use TDX containers

[kostko]

Closes #2149

[netlify]

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Name	Link
🔨 Latest commit	0c3376e
🔍 Latest deploy log	https://app.netlify.com/sites/oasisprotocol-oasis-sdk/deploys/67adeb5f2408480008f5cf5c

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.88%. Comparing base (b4a8d86) to head (0c3376e).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2153      +/-   ##
==========================================
- Coverage   59.06%   58.88%   -0.18%     
==========================================
  Files         142      144       +2     
  Lines       10089    10172      +83     
==========================================
+ Hits         5959     5990      +31     
- Misses       4130     4182      +52     

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