fix: return valid schema in create schema method

[TimoGlastra]

• Add seqNo to returned schema after creating. This makes it usable out of the box, without making another ledger request. Taken from ACA-Py impl
• getPublicDid() -> publicDid (as a getter method)
• createCredentialSchema -> createSchema (more consistent with rest of codebase)
• support_revocation -> supportRevocation

Fixes #146

[codecov-io]

Codecov Report

Merging #193 (5295041) into main (7b62574) will increase coverage by 0.10%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##             main     #193      +/-   ##
==========================================
+ Coverage   89.35%   89.46%   +0.10%     
==========================================
  Files         153      153              
  Lines        3213     3208       -5     
  Branches      375      371       -4     
==========================================
- Hits         2871     2870       -1     
+ Misses        339      335       -4     
  Partials        3        3              

Impacted Files	Coverage Δ
src/lib/modules/ledger/LedgerModule.ts	83.33% <75.00%> (-3.63%)	⬇️
src/lib/modules/ledger/LedgerService.ts	92.39% <87.50%> (+4.63%)	⬆️
src/lib/agent/Agent.ts	100.00% <100.00%> (ø)
src/lib/wallet/IndyWallet.ts	87.37% <100.00%> (ø)

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[jakubkoci]

Nice update, thanks @TimoGlastra 👍