Added tags find with support for exact and fuzzy match.

Added support for some tags operations and opening the previous day as a default behavior.

Added functions to show the unique tags present in journal entries.

Started to use Shellcheck, which is great.

Months should be numeric.

Officially mention journal.nvim.

Added support for journal.config at the project root.

Adding support for the new-journal command.

Fixing up the README and adding a planned feature.

Added support for templates and replacements.

Updating README to reference the License (MIT).

Updating README to include proper usage text.

Initializing repository and adding a basic journal.sh and installation script.