0.1.0

Initial release of the Ably Chat SDK for Android. It includes following chat
features:

• Chat rooms for 1:1, 1:many, many:1 and many:many participation.
• Sending and receiving chat messages.
• Online status aka presence of chat participants.
• Chat room occupancy, i.e., total number of connections and presence members.
• Typing indicators
• Room-level reactions (ephemeral at this stage - reactions are sent and received in real-time without persistence)