feat: support for all database integrations (#160)

* introduce narrower ConfigurableDatabaseIntegration* types

* add support and configuration forms for all remaining database integrations

* add db names to cspell dictionary

* fix formatting

* remove inconsistency from integration credentials docs

* fix integration config forms to consistently handle incoming config

* remove leftover "as any" casts from integration config forms

* fix pandas-dataframe exclusion in integration manager

* add missing SSH/SSL options in integration config forms

* remove MS header requirement from copilot guidelines

* add default port to redshift form

* avoid losing redshift credentials when switching auth method

* fix react event use in integration config forms to avoid RC with async state updates

Author: jankuca

.github/copilot-instructions.md

@@ -40,7 +40,6 @@ Read `.github/typescript-instructions.md` for detailed TypeScript development st
 - Preserve error details, scrub PII
 
 ### Code Quality
-- Include Microsoft copyright header
 - Prefer async/await, handle cancellation with CancellationToken
 - Use lint/format tools