Make dependencies peer. LAzy load YN so that if the feature is not used the dependency is ignored'

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ringofstorms/dotenv-multi",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "description": "Dot environment file loader that acts like Create React App's supporting many files with per NODE_ENV/local settings.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -14,7 +14,7 @@
   },
   "author": "Josh (RingOfStorms)",
   "license": "ISC",
-  "dependencies": {
+  "peerDependencies": {
     "dotenv": "^8.2.0",
     "dotenv-expand": "^5.1.0",
     "yn": "^4.0.0"
@@ -22,7 +22,10 @@
   "devDependencies": {
     "@types/node": "^14.14.14",
     "rimraf": "^3.0.2",
-    "typescript": "^4.1.3"
+    "typescript": "^4.1.3",
+    "dotenv": "^8.2.0",
+    "dotenv-expand": "^5.1.0",
+    "yn": "^4.0.0"
   },
   "repository": {
     "type": "git",