Vendor raptor source files (was embedded gitlink)

Tree vendored at upstream 0019c5dd; origin + license recorded in
raptor/VENDOR.txt. Windows SDL dev packages excluded via .gitignore.

raptor/src/cards.h

@@ -0,0 +1,16 @@
+#pragma once
+
+typedef enum
+{
+    M_NONE = 0,// 0
+    M_PC,      // 1
+    M_ADLIB,   // 2
+    M_GUS,     // 3
+    M_PAS,     // 4
+    M_SB,      // 5
+    M_WAVE,    // 6
+    M_CANVAS,  // 7
+    M_GMIDI,   // 8
+    M_AWE,     // 9
+    M_LAST     // 10
+}SCARD;