Aiming real production usage

• feature: add modes final and for restore --commit
• improved: added a default commit on final
• improved: replace crate reqwest by ureq
• fixed: fixed url to solr update handler

Configuring cross build in CI

Crossbuilding for:

• Linux
  • .deb
  • .rpm
• Windows

Building Automated Release machinery

Building the github actions for creating releases:

• Step 1: discovering github actions configuration
• Step 2: building binaries
• Step 3: building distro packages