Add table for `devices`
Enable HTTPS with --https
Generate certificates during installation
Add `confirmed` column
Make HTTPS default
Add ciphers and TLS method
`chmod 600` our keys and certificates
Redirect `start` stderr to debug file too
Point executables to right certificates and keys
Fix a typo
Add `tokens` table
Rename database to `pairing_tokens`
Token is 64 characters long
Refactor PostgreSQL connection creation into its own module
Return token
Add pairing screen
Add `qrcode.js`

Generate A QR code.
Implement RPC for creating tokens
Display a QR code with a newly generated token
Add an abstract `user.get_server_address`