* Rename fedrpc to xrpc; implement xrpc and xrpc-server packages * Add json-schema validation to xrpc * Add xrpc and xrpc-server to base tsconfig.json * Fix type signature
* Rename fedrpc to xrpc; implement xrpc and xrpc-server packages * Add json-schema validation to xrpc * Add xrpc and xrpc-server to base tsconfig.json * Fix type signature