Thunderbird Support

[thardeck]

Summary

This PR adds Thunderbird support by registering the native messaging host for Thunderbird in addition to Firefox.

Usage

After installing browserpass-native, register the host for Thunderbird:

# User-level installation (recommended)
make hosts-thunderbird-user

# System-wide installation (requires sudo)
sudo make hosts-thunderbird

Related PRs

This is a companion PR to browserpass-extension's Thunderbird support PR.

Testing

1. Install browserpass-native
2. Register for Thunderbird: make hosts-thunderbird-user
3. Verify symlink exists: ls -la ~/.thunderbird/native-messaging-hosts/
4. Install Browserpass extension in Thunderbird
5. Test credential retrieval for an email account