internal: refactor for packaging

Package using python-build, python-installer and hatch

src/caelestia/data/schemes/shadotheme/dark.txt

@@ -0,0 +1,81 @@
+rosewater f1c4e0
+flamingo F18FB0
+pink a8899c
+mauve E9729D
+red B52A5B
+maroon FF4971
+peach ff79c6
+yellow 8897F4
+green 6a5acd
+teal F18FB0
+sky 4484d1
+sapphire 2f77a1
+blue bd93f9
+lavender 849BE0
+text e3c7fc
+subtext1 CBB2E1
+subtext0 B39DC7
+overlay2 9A88AC
+overlay1 827392
+overlay0 6A5D77
+surface2 52485D
+surface1 393342
+surface0 211E28
+base 09090d
+mantle 060608
+crust 030304
+success 37d4a7
+primary_paletteKeyColor 6F72AC
+secondary_paletteKeyColor 75758B
+tertiary_paletteKeyColor 936B83
+neutral_paletteKeyColor 78767D
+neutral_variant_paletteKeyColor 777680
+background 131318
+onBackground E4E1E9
+surface 131318
+surfaceDim 131318
+surfaceBright 39383F
+surfaceContainerLowest 0E0E13
+surfaceContainerLow 1B1B21
+surfaceContainer 1F1F25
+surfaceContainerHigh 2A292F
+surfaceContainerHighest 35343A
+onSurface E4E1E9
+surfaceVariant 46464F
+onSurfaceVariant C7C5D0
+inverseSurface E4E1E9
+inverseOnSurface 303036
+outline 918F9A
+outlineVariant 46464F
+shadow 000000
+scrim 000000
+surfaceTint BFC1FF
+primary BFC1FF
+onPrimary 282B60
+primaryContainer 3F4178
+onPrimaryContainer E1E0FF
+inversePrimary 565992
+secondary C5C4DD
+onSecondary 2E2F42
+secondaryContainer 47475B
+onSecondaryContainer E2E0F9
+tertiary E8B9D4
+onTertiary 46263B
+tertiaryContainer AF849D
+onTertiaryContainer 000000
+error FFB4AB
+onError 690005
+errorContainer 93000A
+onErrorContainer FFDAD6
+primaryFixed E1E0FF
+primaryFixedDim BFC1FF
+onPrimaryFixed 12144B
+onPrimaryFixedVariant 3F4178
+secondaryFixed E2E0F9
+secondaryFixedDim C5C4DD
+onSecondaryFixed 191A2C
+onSecondaryFixedVariant 454559
+tertiaryFixed FFD8ED
+tertiaryFixedDim E8B9D4
+onTertiaryFixed 2E1125
+onTertiaryFixedVariant 5F3C52