add D example (#317)

* add D example

* add D binding link

* add build command to D example

README.md

@@ -562,6 +562,33 @@ when isMainModule:
   zip_close(zip)
 ```
 
+#### [D](https://dlang.org)
+> Third party binding: [thechampagne/zip-d](https://github.com/thechampagne/zip-d)
+
+```shell
+$ dmd -L-lzip main.d
+```
+
+```d
+extern(C) void* zip_open(const(char)* zipname, int level, char mode);
+extern(C) void zip_close(void* zip);
+extern(C) int zip_entry_open(void* zip, const(char)* entryname);
+extern(C) int zip_entry_close(void* zip);
+extern(C) int zip_entry_write(void* zip, const(void)* buf, size_t bufsize);
+
+void main()
+{
+  void* zip = zip_open("/tmp/d.zip", 6, 'w');
+  scope(exit) zip_close(zip);
+
+  zip_entry_open(zip, "test");
+  scope(exit) zip_entry_close(zip);
+
+  string content = "test content";
+  zip_entry_write(zip, content.ptr, content.length);
+}
+```
+
 ### Check out more cool projects which use this library
 
 * [Filament](https://github.com/google/filament): Filament is a real-time physically based rendering engine for Android, iOS, Linux, macOS, Windows, and WebGL. It is designed to be as small as possible and as efficient as possible on Android.