Fix installer not putting default manifests in correct folder

Fixes this
https://github.com/OpenVR-Advanced-Settings/OpenVR-AdvancedSettings/issues/80

Including things with
File "FILE\*.json"
includes the file in the base directory. Including it with /R
recursively includes the directory.

installer/installer.nsi

@@ -114,7 +114,7 @@ Section "Install" SecInstall
     ;Any action manifests
     File "${BASEDIR}\*.json"
     ;And their defaults
-    File "${BASEDIR}\default_action_manifests\*.json"
+    File /r "${BASEDIR}\default_action_manifests"
     
 	File "${THIRDDIR}\openvr\bin\win64\*.dll"
 	File "${BASEDIR}\*.dll"