Add project files.

3rd-party/curl-7.52.1/docs/cmdline-opts/libcurl.d

@@ -0,0 +1,11 @@
+Long: libcurl
+Arg: <file>
+Help: Dump libcurl equivalent code of this command line
+Added: 7.16.1
+---
+Append this option to any ordinary curl command line, and you will get a
+libcurl-using C source code written to the file that does the equivalent
+of what your command-line operation does!
+
+If this option is used several times, the last given file name will be
+used.