This allows plugins to create custom dbcontexts, which would be namespaced in the scheme with a prefix. Migrations are supported too and the table would be prefixed too
* BTCPay Extensions Part 2
This PR cleans up the extension system a bit in that:
* It renames the test extension to a more uniform name
* Allows yo uto have system extensions, which are extensions but bundled by default with the release (and cannot be removed)
* Adds a tool to help you generate an extension package from a csproj
* Refactors the UI extension points to a view component
* Moves some more interfaces to the Abstractions csproj
* Rename to plugins
I upgrade lightning max/bitcoin min to support better control in store. Now can have setting only enable specific payment method only if value high/low I think make code simple more too and backward compatible
* BPU Prep Work Part2
* Adjust tests to use the hot wallet when registering deriv scheme
* Add amount to payment data view for onchain payments
* Make zone limits higher when in dev mode (for tests in next PR)
* Make IPaymentMethodDetails serialize/deserialize through payment type using the network
* Allow named settings through settings repo
* Refactor some extensions for next PR
* pr changes
* use json convert for now
