v0.2.1 confirm save changed file

Full Changelog: v0.2.0...v0.2.1

Ask you save your changed file

New release v0.2.0

Full Changelog: v0.1.22...v0.2.0
1, All resouses in local
2, Display pictures in markdown file
3, Use wails3

v0.1.22

mdPad - Edit markdown file on your desktop

Support Windows, MacOS and Linux

v0.1.21

mdPad - Edit markdown file on your desktop

Support Windows, MacOS and Linux

v0.1.4

Test auto action