Added Characterization and simple ULI build schema

[APonugoti1]

Hi @Xarthisius,

Could you please review and merge the changes at your earliest convenience?
Thank you!

[arachid1]

ULI characterization form has id that looks like 'CMXMAL00060-32 - 687fd3694f57c261a6d8e42b - no localId'. I think it should be CMUXX.YY, which should be the local id of the IGSN you're selecting.

[Xarthisius]

Notes

1. testing.json and uli_build_schema.json should be removed from this PR. The former doesn't belong at all, and the latter is out of scope.
2. For simple_uli_build_schema.json it would be nice to have better definitions for b, d, l (width?, thickness?, length?) to better understand geometry. It also is important for point 3.
3. uli_characterization_schema.json:
   1. It needs a better name and description. It's what users will see right away.
   2. Some of the fields should be read-only and calculated based on other fields. Look at the spreadsheet and in the columns check whether number that's displayed is a user provided value (e.g. R-ratio) or a formula (e.g. max(P) ). Formulas should be preserved and used automatically. Things like P-max will require linking to other form's entries (e.g. simple_uli_build_schema to get dimensions using preload/entryField functionality, example https://github.com/htmdec/htmax-forms/blob/main/specimen_processing_conditions.json )
   3. As noted by Ali there's no reasonable uniqueId (also applies to simple_uli_build_schema.json)