add peer dependency intersection-observer-polyfill

Author: Jones Warren

README.md

@@ -23,7 +23,7 @@ image list shows in order.
 
 ## Installation
 
-> 1.0.5 is finally out,  it's almost painless to upgrade!
+> 1.0.7 is finally out,  it's almost painless to upgrade!
 
 ```
 $ npm install --save react-progressive-lazy-image

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "react-progressive-lazy-image",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "a lazy-load image component for react",
   "main": "dist/index.js",
   "scripts": {
@@ -19,6 +19,9 @@
     "url": "https://github.com/WarrenJones/react-progressive-lazy-image/issues"
   },
   "homepage": "https://github.com/WarrenJones/react-progressive-lazy-image#readme",
+  "peerDependencies": {
+    "intersection-observer-polyfill": "^0.1.0"
+  },
   "devDependencies": {
     "@babel/cli": "^7.6.2",
     "@babel/core": "^7.6.2",