v0.0.2-alpha.7

Get Testnet Coins here: https://faucet.fullstack.cash/
Telegram Group: https://t.me/stampchat

• Add two default contacts for new users (#227)
• Attempt to update background colors and remove conditionals (#223)
• Fix floating button behavior of chats (#224)
• Better input box automatic selection (#220)
• Add default groupchat contact (#222)