add state migrations

[ssube]

• split up state slices into their own files
• move slice factories into slice files
• add state migrations for new params (fixes #427)
• remove Karras Ve from scheduler list (#189)

[sonarcloud[bot]]

Quality Gate passed

The SonarCloud Quality Gate passed, but some issues were introduced.

4 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud