Add basic README and ASCII logo

README.MD

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+# HidekoBot  
+  
+Hideko is a general-purpose Discord bot.  
+  
+## Startup
+Download a prebuilt JAR file or build it from source, then run it with:
+```bash
+java -jar HidekoBot.jar botToken
+```
+Where `HidekoBot.jar` is the executable archive and `botToken` is your bot token passed as an argument.
+  
+## Initial setup  
+  
+After starting the bot up successfully, it will print an invite-link in your console. Click on the link to add your bot
+to any server with the correct permissions already set-up.