Create screens for cypherpost

[i5hi]

Following screens are. required:

• [x] NetworksHome: List of joined networks and link to Join new network.
• [x] NetworkJoin: Form to register to a network
• [x] NetworkSingle: Contains menu for Info & Discover + List of counterParties with whom user has chatHistory
• [ ] Chat: A Chat with a single counterParty
• [x] NetworkDiscover: List of all existing counterParties(members) on a network.
• [x] MyNetworkInfo: Info about the user on a network

[i5hi]

Few notes:

Removed tabs to separate Direct and Group chat. Let it all be in a single page, like Signal for example.

Made Chat the first page and discover members an inner page.