Added Atom (Closes #132)

degoogle.yml

@@ -782,6 +782,11 @@ desktop applications:
       eyes: null
       text: |
         Another open-source text editor. Thanks @moon-chilled
+    - name: Atom
+      url: https://atom.io/
+      eyes: null
+      text: |
+        Atom is a free and open-source text and source code editor for macOS, Linux, and Microsoft Windows with support for plug-ins written in Node.js, and embedded Git Control, developed by GitHub. Atom is a desktop application built using web technologies. (From [Wikipedia](https://en.wikipedia.org/wiki/Atom_(text_editor))) Thanks @woutfeys
 mobile applications:
   play store:
     - title: Play Store