Obsidian-metadata

Feat

- **application**: add new metadata to frontmatter (9)

Fix

- **application**: improve ux (10)

Feat

- **configuration**: support multiple vaults in the configuration file (6)

Refactor

- **application**: refactor questions to separate class (7)

Fix

- **notes**: diff now prints values in the form `[value]`
- **application**: exit after committing changes

Feat

- initial application release