feat(rustbridge): add RustBridge and RustBinaryLocator with typed IPC interfaces, plugins, tests and mock runner; export from index; add npm registries

ts/plugins.ts

@@ -1,7 +1,11 @@
 // native scope
 import * as path from 'path';
+import * as fs from 'fs';
+import * as childProcess from 'child_process';
+import * as readline from 'readline';
+import * as events from 'events';
 
-export { path };
+export { path, fs, childProcess, readline, events };
 
 // @push.rocks scope
 import * as smartpath from '@push.rocks/smartpath';