internal: refactor for packaging

Package using python-build, python-installer and hatch

src/caelestia/data/schemes/gruvbox/medium/dark.txt

@@ -0,0 +1,81 @@
+rosewater e8bcb6
+flamingo c59e9d
+pink d24cce
+mauve b16286
+red cc241d
+maroon fb4934
+peach fe8019
+yellow fabd2f
+green b8bb26
+teal 8ec07c
+sky 9bcccb
+sapphire 4191b1
+blue 83a598
+lavender a378cb
+text fbf1c7
+subtext1 d5c4a1
+subtext0 bdae93
+overlay2 a89984
+overlay1 928374
+overlay0 7c6f64
+surface2 665c54
+surface1 504945
+surface0 3c3836
+base 282828
+mantle 1f2122
+crust 181a1b
+success b8bb26
+primary_paletteKeyColor 28828E
+secondary_paletteKeyColor 627B80
+tertiary_paletteKeyColor 6B7697
+neutral_paletteKeyColor 727879
+neutral_variant_paletteKeyColor 6F797B
+background 0E1415
+onBackground DEE3E5
+surface 0E1415
+surfaceDim 0E1415
+surfaceBright 343A3B
+surfaceContainerLowest 090F10
+surfaceContainerLow 171D1E
+surfaceContainer 1B2122
+surfaceContainerHigh 252B2C
+surfaceContainerHighest 303637
+onSurface DEE3E5
+surfaceVariant 3F484A
+onSurfaceVariant BFC8CA
+inverseSurface DEE3E5
+inverseOnSurface 2B3133
+outline 899294
+outlineVariant 3F484A
+shadow 000000
+scrim 000000
+surfaceTint 82D3E0
+primary 82D3E0
+onPrimary 00363D
+primaryContainer 004F58
+onPrimaryContainer 9EEFFD
+inversePrimary 006874
+secondary B1CBD0
+onSecondary 1C3438
+secondaryContainer 354D51
+onSecondaryContainer CDE7EC
+tertiary BAC6EA
+onTertiary 24304D
+tertiaryContainer 8490B2
+onTertiaryContainer 000000
+error FFB4AB
+onError 690005
+errorContainer 93000A
+onErrorContainer FFDAD6
+primaryFixed 9EEFFD
+primaryFixedDim 82D3E0
+onPrimaryFixed 001F24
+onPrimaryFixedVariant 004F58
+secondaryFixed CDE7EC
+secondaryFixedDim B1CBD0
+onSecondaryFixed 051F23
+onSecondaryFixedVariant 334B4F
+tertiaryFixed DAE2FF
+tertiaryFixedDim BAC6EA
+onTertiaryFixed 0E1B37
+onTertiaryFixedVariant 3B4664