replace panics with bails

Dependencies

• [2] KT5UYXGK fix selection after adding file, add changed file diffs
• [3] W7IUT3ZV start recording impl
• [4] YBJRDOTC make all repo actions async
• [5] A5YBC77V record!
• [6] OC6DLIZ3 test record when nothing to record
• [7] IFQPVMBD error handling for repo actions
• [*] SWWE2R6M display basic repo stuff

Change contents

• replacement in libflorescence/src/repo.rs at line 569
  [3.867]→[3.867:887](∅→∅)
  − panic!(
  [3.867]

  [3.887]
  + bail!(
• replacement in libflorescence/src/repo.rs at line 608
  [5.1935]→[6.6:43](∅→∅)
  − panic!("Nothing to record");
  [5.1935]

  [5.1973]
  + bail!("Nothing to record");
• replacement in libflorescence/src/repo.rs at line 752
  [2.1114]→[4.3531:3594](∅→∅)
  − panic!("Cannot add ignored file \"{file_path_str}\"");
  [2.1114]

  [2.1185]
  + bail!("Cannot add ignored file \"{file_path_str}\"");