Update README.md

Author: faveoled

README.md

@@ -1,2 +1,15 @@
 # appimage2deb
 A CLI utility for converting AppImage files to deb packages
+
+[![Get it from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-black.svg)](https://snapcraft.io/appimage2deb)
+
+
+
+# Build
+```
+sbt fullOptJS
+```
+# Dev Build (non-optimized & fast)
+```
+sbt fastLinkJS
+```