Merge pull request #1028 from creichert/creichert-patch-1

Add achievement support to ppsspp docs

Author: fpscan

docs/library/ppsspp.md

@@ -94,7 +94,7 @@ Frontend-level settings or features that the PPSSPP core respects.
 | Rewind            | ✕         |
 | Netplay           | ✕         |
 | Core Options      | ✔         |
-| RetroAchievements | ✕         |
+| RetroAchievements | ✔         |
 | RetroArch Cheats  | ✕         |
 | Native Cheats     | ✔         |
 | Controls          | ✔         |
@@ -355,4 +355,4 @@ Settings with (Restart) means that core has to be closed for the new setting to
 - [Official PPSSPP Github Repository](https://github.com/hrydgard/ppsspp)
 - [Libretro PPSSPP Core info file](https://github.com/libretro/libretro-super/blob/master/dist/info/ppsspp_libretro.info)
 - [Report Libretro PPSSPP Core Issues Here](https://github.com/libretro/ppsspp/issues)
-- [Gameplay Videos](https://www.youtube.com/playlist?list=PLRbgg4gk_0IcjmP26m8-3JWNzYUXRjqWT)
+- [Gameplay Videos](https://www.youtube.com/playlist?list=PLRbgg4gk_0IcjmP26m8-3JWNzYUXRjqWT)