refactor, rename explorer guesser

src/lib/lib.ts

@@ -1,6 +1,6 @@
 export { Dict } from "./dict.ts";
 export type { Guessing } from "./guesser/guesser.ts";
-export { BaseGuesser } from "./guesser/base.ts";
+export { ExplorerGuesser } from "./guesser/explorer.ts";
 export { ReducingGuesser } from "./guesser/reducing.ts";
 export { Simulator } from "./game/simulator.ts";
 export { ManualProxy } from "./game/proxy.ts";