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/rsrc/setup/resource.rc

@@ -0,0 +1,34 @@
+#define APSTUDIO_READONLY_SYMBOLS
+#include "winres.h"
+#undef APSTUDIO_READONLY_SYMBOLS
+
+MAINICON ICON "raptorsetup.ico"
+
+VS_VERSION_INFO VERSIONINFO
+    FILEVERSION 0,0,0,0
+    PRODUCTVERSION 0,0,0,0
+    FILEFLAGSMASK 0x3FL
+    FILEFLAGS 0x0L
+    FILEOS 0x4L
+    FILETYPE 0x1L
+    FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904E4"
+        BEGIN
+            VALUE "CompanyName", "..."
+            VALUE "FileDescription", "..."
+            VALUE "FileVersion", "0.0.0.0"
+            VALUE "InternalName", "..."
+            VALUE "LegalCopyright", "© ..."
+            VALUE "OriginalFilename", "raptorsetup"
+            VALUE "ProductName", "Raptor Setup"
+            VALUE "ProductVersion", "0.0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END