Improve installation email format

[bestchai]

The current installation email looks like this:

Notice how the spacing/format is messy. It needs to look like this:

Dear User (id : aefa2dd9-d6ac-27f1-9e1f-70bb3eca5685),

The ThirdEye service successfully recognized the ThirdEye Chrome extension that you installed on your computer.

For more details about ThirdEye, please see our website:
http://thirdeyedetect.github.io/

Thanks!
ThirdEye Team