Show MetaClass field binding and schema

[huangsam]

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Show MetaClass field binding and schema

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The current lesson shows how meta-classes work but does not go deep enough on processing the fields for each DB table that was previously defined.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.56%. Comparing base (caa81f7) to head (1d4e71c).

Additional details and impacted files

@@ Coverage Diff @@## main #214 +/- ##
==========================================
+ Coverage 99.55% 99.56% +0.01% 
==========================================
Files 43 43 Lines 1778 1831 +53 Branches 113 119 +6 ==========================================
+ Hits 1770 1823 +53 
Misses 4 4 Partials 4 4 

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