Adding debug info to the CLI and the general option
of the main Qt app. Also took time to:
* use `EXIT_SUCCESS`/`EXIT_FAILURE` constants
for main.cpp (this is what is used in `src/cli`);
* fixed `m_initalized` typo;
* added info on debugging mode being disabled
or not;
* regrouped Qt related stuff in the debug output.
* Add CLI commands show --totp and totp-clip for handling TOTPs, resolves#2429.
* Adding tests for new CLI TOTP commands
* Update keepassxc-cli man page.
In order for scripting to be much simpler with `keepassxc-cli show`,
provide a simple --attributesk API which effectively is just a CLI
interface for entry->attributes()->value(...). This allows for more
extensibility and prevents changes in our output formatting from
breaking existing users of keepassxc-cli (if they use --attributes).
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
