Unicodemoticon

- As-you-type on-the-fly Emoji Search.

- Recent Emoji Tab.
- Fixes.

- now the zipapps work reliably and can be created using `python3 setup.py zipapp`

- split into multiple easily maintainable files
- added a menu entry to create desktop files
- added quit menu entry
- switched to [`.pyz`](https://docs.python.org/3/library/zipapp.html) distribution instead of a single `.py`

- New UX, New UI.
- More Tools.

- Unicode Search.
- Unicode Explain.
- Alternate case.
- Fixes and fine tuning.
- More Multi-character emotes.