fix(eslint): simplify calling sub configurations (#53)

Call subscripts like described in the `README.md`.

.changeset/mighty-trains-prove.md

@@ -0,0 +1,5 @@
+---
+'@mheob/eslint-config': patch
+---
+
+Simpplify and fix calling sub configurations

.prettierignore

@@ -15,3 +15,6 @@ coverage
 out
 build
 dist
+
+# changelog
+CHANGELOG.md

packages/eslint-config/package.json

@@ -14,8 +14,31 @@
 	},
 	"license": "MIT",
 	"author": "Alexander Böhm <tools@boehm.work>",
+	"exports": {
+		".": "./dist/index.js",
+		"./base": "./dist/base.js",
+		"./next": "./dist/next.js",
+		"./react": "./dist/react.js",
+		"./package.json": "./package.json"
+	},
 	"main": "dist/index.js",
 	"types": "dist/index.d.ts",
+	"typesVersions": {
+		"*": {
+			".": [
+				"./dist/index.d.ts"
+			],
+			"./base": [
+				"./dist/base.d.ts"
+			],
+			"./next": [
+				"./dist/next.d.ts"
+			],
+			"./react": [
+				"./dist/react.d.ts"
+			]
+		}
+	},
 	"files": [
 		"dist",
 		"LICENSE",