docs: fix broken image links

Author: gruhn

README.md

@@ -12,7 +12,7 @@ A Vue.js 2 component, accessing the device camera and allowing users to read QR
 
 # Browser support
 
-| ![Internet Explorer](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/ie_32x32.png) | ![Edge](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/edge_32x32.png?raw=true) | ![Firefox](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/firefox_32x32.png?raw=true) | ![Chrome](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/chrome_32x32.png) | ![Safari](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/safari_32x32.png) |
+| ![Internet Explorer](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/ie_32x32.png) | ![Edge](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/edge_32x32.png) | ![Firefox](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/firefox_32x32.png) | ![Chrome](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/chrome_32x32.png) | ![Safari](https://raw.githubusercontent.com/gruhn/vue-qrcode-reader/master/.github/safari_32x32.png) |
 |:--:|:---:|:---:|:---:|:---:|
 | No | Yes | Yes | Yes | 11+ |