refactor(Style): add SASS to reduce style repetition

- Use list, maps and loops to reduce code duplication with small variations
- Use SASS functions for some extreme cases
- Keep native CSS variables to allow overriding/reference in other
  styles

refactor(Style): change css theme variables to SASS

add sass files from catppuccin to the project instead of importing it from NPM

refactor(Style): use SASS functions to reduce code boilerplate

src/assets/style/themes/catppuccin/_frappe.scss

@@ -0,0 +1,26 @@
+$rosewater: #f2d5cf;
+$flamingo: #eebebe;
+$pink: #f4b8e4;
+$mauve: #ca9ee6;
+$red: #e78284;
+$maroon: #ea999c;
+$peach: #ef9f76;
+$yellow: #e5c890;
+$green: #a6d189;
+$teal: #81c8be;
+$sky: #99d1db;
+$sapphire: #85c1dc;
+$blue: #8caaee;
+$lavender: #babbf1;
+$text: #c6d0f5;
+$subtext1: #b5bfe2;
+$subtext0: #a5adce;
+$overlay2: #949cbb;
+$overlay1: #838ba7;
+$overlay0: #737994;
+$surface2: #626880;
+$surface1: #51576d;
+$surface0: #414559;
+$base: #303446;
+$mantle: #292c3c;
+$crust: #232634;