updated README and example, add type definitions @types/browser-image-compression

Author: Donaldcwl

README.md

@@ -134,6 +134,13 @@ or check the "[example]" folder in this repo
 | --------- | --------- | --------- | --------- | --------- | --------- |
 | IE10, IE11, Edge| last 2 versions| last 2 versions| last 2 versions| last 2 versions| last 2 versions
 
+## Typescript type definitions ##
+```
+npm install --save-dev @types/browser-image-compression
+or
+yarn add --dev @types/browser-image-compression
+```
+
 ## Contribution ##
 1. fork the repo and git clone it
 2. run `npm run watch` # it will watch code change in lib/ folder and generate js in dist/ folder

example/Angular App/package.json

@@ -32,6 +32,7 @@
     "@angular-devkit/build-angular": "~0.901.4",
     "@angular/cli": "~9.1.4",
     "@angular/compiler-cli": "~9.1.4",
+    "@types/browser-image-compression": "^1.0.1",
     "@types/jasmine": "~3.5.0",
     "@types/jasminewd2": "~2.0.3",
     "@types/node": "^12.11.1",