Update ISSUE_TEMPLATE.md

Author: DoctorVanGogh

.github/ISSUE_TEMPLATE.md

@@ -1,2 +1,6 @@
 If your issue is a bug report please attach a _zipped_ version of your 
 `C:\Users\[Username]\AppData\LocalLow\Ludeon Studios\RimWorld by Ludeon Studios\Config\Mod_1139051045_ModSwitch.xml` (if using the steam version) or `C:\Users\[Username]\AppData\LocalLow\Ludeon Studios\RimWorld by Ludeon Studios\Config\Mod_ModSwitch_ModSwitch.xml` (if using a local version).
+
+Please also attach a copy of your `Player.log`. You can find this by opening the ingame options via the 'Open Log Folder' button in the middle column.
+If the game totally barfs and restarts with everything disabled (trust mne, you'll know), please also attach `Player-prev.log`.
+When in doubt, just submit both ;)