message: Update README.md
  * Update README.md
  Add Edge dev store links
  * Update README.md
diff: @@ -22,7 +22,9 @@ Chrome/Firefox WebExtension. Feature-rich inline translator with PDF support.
  ## Downloads
  -[Chrome Web Store](https://chrome.google.com/webstore/detail/cdonnmffkdaoajfknoeeecmchibpmkmg?hl=en) / [Firefox Add-ons](https://addons.mozilla.org/firefox/addon/ext-saladict/)
  +- [Chrome Web Store](https://chrome.google.com/webstore/detail/cdonnmffkdaoajfknoeeecmchibpmkmg?hl=en)
  +- [Firefox Add-ons](https://addons.mozilla.org/firefox/addon/ext-saladict/)
  +- [Microsoft Edge Addons](https://microsoftedge.microsoft.com/addons/detail/idghocbbahafpfhjnfhpbfbmpegphmmp)(Uploaded by @rumosky)
  Saladict 7 is a complete rewrite with sophisticated interaction and buttery smooth experience. Built for speed, stability and customization.
  