Added setup instructions

README.txt

@@ -8,8 +8,16 @@ Compilation:
 	* make
 
 
+Setup:
+	* assets/sunshine.conf is an example configuration file. Modify it as you see fit and use it by running: "sunshine path/to/sunshine.conf"
+	* assets/sunshine.service is used to start sunshine in the background:
+		* cp sunshine.service $HOME/.config/systemd/user/
+		* Modify $HOME/.config/systemd/user/sunshine.conf to point to the sunshine executable
+		* systemctl --user start sunshine
+
+
 Usage:
-	* run sunshine
+	* run "sunshine"
 	* In Moonlight: Add PC manually
 	* When Moonlight request you insert the correct pin on sunshine:
 		wget xxx.xxx.xxx.xxx:47989/pin/xxxx -- where the final 4 x'es are subsituted by the pin
@@ -18,5 +26,6 @@ Usage:
 	* Click on one of the Applications listed
 	* Have fun :)
 
+
 Note:
 	* The Windows key is not passed through by Moonlight, therefore Sunshine maps Right-Alt key to the Windows key