force either in scope

packages/core/package.json

@@ -22,7 +22,7 @@
   },
   "repository": "https://github.com/Matechs-Garage/matechs-effect.git",
   "sideEffects": false,
-  "dependencies": {
+  "peerDependencies": {
     "@effect-ts/system": "^0.0.1"
   },
   "devDependencies": {

packages/core/src/Classic/EitherT/index.ts

@@ -9,6 +9,8 @@ import * as HKT from "../../Prelude/HKT"
 import type { Par } from "../../Prelude/HKT/variance"
 import * as E from "../Either"
 
+export type _IGNORE = E.EitherURI
+
 function monad_<F extends URIS, P extends Par, C>(
   M: Monad<F, C>
 ): Monad<