GetNetworkData method implementation

Modified Interfaces to support the new method GetNetworkData
Added the NetworkData Class to be used as return type
Unity.js 3.8.5 (and emu version) added

Unity.js v 3.8.5 added
GetNetworkData method implementation

GetNetworkData method implementation
GetNewtorkData and Media.Play method

GetNetworkData method implementation
Media API Play method goes to look in local documents