Update appveyor readme

readme.txt

@@ -1,3 +1,19 @@
 Go to the [GitHub Site](https://slashiee.github.io/cemu_graphic_packs/) for more information.
 
-Please delete any current graphics packs that you are going to replace! This is necessary if, for example, any shader edits in an older installed version are deleted from a pack in a future downloaded version.
+Please delete any current graphics packs that you are going to replace! This is necessary if, for example, any shader edits in an older installed version are deleted from a pack in a future downloaded version.
+
+Contributors:
+slashiee - 416 commits: 117,760 line additions and 131,297 line deletions.
+getdls - 31 commits: 30,136 line additions and 1,317 line deletions.
+Darkemaste - 23 commits: 14,684 line additions and 747 line deletions.
+JoelAlone - 17 commits: 22,529 line additions and 1,797 line deletions.
+NAVras-Z - 16 commits: 32,854 line additions and 14,979 line deletions.
+alexkiri - 13 commits: 18,432 line additions and 17,262 line deletions.
+Crementif - 9 commits: 18,831 line additions and 14,792  line deletions.
+Xalphenos - 6 commits: 312 line additions and 36 line deletions.
+rajkosto - 6 commits: 503 line additions and 6 line deletions.
+SwooshyCueb - 2 commits: 851 line additions and 990 line deletions.
+runderscore - 1 commit: 21 line additions and 3 line deletions.
+riperiperi - 1 commit: 103 line additions and 22 line deletions.
+tails101 - 1 commit: 10 line additions and 0 line deletions.
+Keelhauled - 1 commit: 99 line additions and 0 line deletions.