I3: core architecture#4

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yehorbk wants to merge 3 commits intomainfrom

i3-core-architecture

Commits on Oct 2, 2022

message box functionality implemented
yehorbk
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Commits on Nov 5, 2022

ui-rederer and hud functionality implemented
yehorbk
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Commits on Nov 24, 2022

director and menu added
yehorbk
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