v0.0.15

Refactor:
- Updated packages
- More info about how to contribute and build cerrado
- Faster makefile rules
- Warning is less disruptive

Fix:
- Fixed path for template files

New:
- Passphrase and aes-key generation command (not useful yet)
- New install rule for makefile
- Syntax-highlight to configure chroma theme
- Aes-key and passphrase to configure login and authentication (not used yet)

Removed:
- Config page is gone, since it is not longer useful