sprint-09-release-candidate

What's Changed

• created function to save collage given a path added to menu list by @a-miscellaneous in #179
• added menu bar for help and fixed text sizings by @a-miscellaneous in #180
• Changed Button proportions by @a-miscellaneous in #178
• create project import and export using json by @a-miscellaneous in #182
• feat(gui): display version number in window title by @akriese in #185
• -added statistical information to the gui diff screen by @fs3itz in #188
• feat(gui): add back button with its functionalities by @AlperK61 in #181
• Gui/feature/manaual saving frame as png by @AlperK61 in #184
• Add info icons by @zino212 in #183

Full Changelog: sprint-08-release...sprint-09-release-candidate