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README.md

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 # GeronimoUpdater
 
 Updater for modpacks made by Flowyan or Chutoy, for Family Man members.
+
+### Flow of the app:
+First the app makes sure that Prism Launcher isn't running. If it is, it will show a warning and close the app.
+
+1. Choose directory of Prism Launcher / Auto picks the default one if it exists
+2. Choose a modpack from a list (gotten from GeronimoUpdater API) what to update
+3. Choose a version from a list for that specific modpack
+4. Check if the pack is in the instances directory
+5. User clicks the Download or "Geronimo!" button and the app starts doing stuff
+6. Download the version and place it into instances
+7. Take files from old version (options.txt, servers.dat etc.) and copy them to the new one
+8. Done!