feat(core): add location-scoped config loading (#29625)

packages/core/src/config/reference.ts

@@ -0,0 +1,17 @@
+export * as ConfigReference from "./reference"
+
+import { Schema } from "effect"
+
+export class Git extends Schema.Class<Git>("ConfigV2.Reference.Git")({
+  repository: Schema.String,
+  branch: Schema.String.pipe(Schema.optional),
+}) {}
+
+export class Local extends Schema.Class<Local>("ConfigV2.Reference.Local")({
+  path: Schema.String,
+}) {}
+
+export const Entry = Schema.Union([Schema.String, Git, Local])
+export type Entry = typeof Entry.Type
+
+export const Info = Schema.Record(Schema.String, Entry)