feat: added dark mode functionality

Client/src/Components/ThemeSwitch/index.css

@@ -2,23 +2,10 @@
 	transform-origin: center;
 }
 
-.sun-and-moon > :is(.moon, .sun) {
-	fill: var(--icon-fill);
-}
-
-.theme-toggle:is(:hover, :focus-visible) > .sun-and-moon > :is(.moon, .sun) {
-	fill: var(--icon-fill-hover);
-}
-
 .theme-toggle .sun-and-moon > .sun-beams {
-	stroke: var(--icon-fill);
 	stroke-width: 2px;
 }
 
-.theme-toggle:is(:hover, :focus-visible) .sun-and-moon > .sun-beams {
-	stroke: var(--icon-fill-hover);
-}
-
 [data-theme="dark"] .sun-and-moon > .sun {
 	transform: scale(1.75);
 }