Added new extension APIs

docs/en/manuals/extensions-defold-sdk.md

@@ -20,12 +20,27 @@ The header file is not publicly published but all of the available SDK functions
 * [Buffer](/ref/dmBuffer/) - Buffer API for data buffers as the main way to communicate between systems. [Lua API](/ref/buffer/) for buffer creation also exists.
 * [Condition Variable](/ref/dmConditionVariable/) - API for platform independent mutex synchronization primitive.
 * [ConfigFile](/ref/dmConfigFile/) - Configuration file access functions. The configuration file is compiled version of the game.project file.
+* [Connection Pool](/ref/dmConnectionPool/) - API for a pool of socket connections.
+* [Crypt](/ref/dmCrypt/) - API with cryptographic functions.
+* [DNS](/ref/dmDNS/) - API with DNS functions.
+* [Engine](/ref/dmEngine/) - API with core engine functionality to get handles to config files, the internal web server, game object register etc.
 * [Extension](/ref/dmExtension/) - Functions for creating and controlling engine native extension libraries.
+* [Game Object](/ref/dmGameObject/) - API for manipulating game objects.
 * [Graphics](/ref/dmGraphics/) - Platform specific native graphics functions.
 * [Hash](/ref/dmHash/) - Hash functions.
+* [HID](/ref/dmHash/) - API for generating programmatic input events.
+* [HTTP Client](/ref/dmHttpClient/) - API for interacting with a HTTP clients.
 * [Json](/ref/dmJson/) - API for platform independent parsing of json files.
 * [Log](/ref/dmLog/) - Logging functions.
-* [Mutex](/ref/dmMutex/) - API for platform independent mutex synchronization primitive
+* [Math](/ref/dmMath/) - API with mathematical functions.
+* [Mutex](/ref/dmMutex/) - API for platform independent mutex synchronization primitive.
+* [SSL Socket](/ref/dmSSLSocket/) - API for secure socket functions.
 * [Script](/ref/dmScript/) - Built-in scripting functions.
-* [Shared Library](/ref/sharedlibrary/) - Utility functions for shared library export/import
+* [SSL Socket](/ref/dmSocket/) - API for socket functions.
+* [String Functions](/ref/dmStringFunc/) - API for manipulating strings.
+* [Thread](/ref/dmThread/) - API for thread creation.
+* [Time](/ref/dmTime/) - API for universal time and timing functions.
+* [URI](/ref/dmURI/) - API for manipulation of URIs.
+* [Web Server](/ref/dmWebServer/) - API for a simple high-level single-threaded Web server based on dmHttpServer.
+* [Shared Library](/ref/sharedlibrary/) - Utility functions for shared library export/import.
 * [Sony vector Math Library](../assets/Vector_Math_Library-Overview.pdf) - The Sony Vector Math library mainly provides functions used in 3-D graphics for 3-D and 4-D vector operations, matrix operations, and quaternion operations.