Begin switching from daisyui to shadcnui (#492)

* feat: add shadcn

* feat: add themes

* feat: make sidebar use shadcn

* feat: sort bg

* feat: lint fixes

* feat: make daisyui toggleable, add tooltips to sidebar, add work in progress docs page

* fix: theme switching for shadcn

* Fix minor profile.vue issue

* feat: update docs, enlarge SidebarMenuButton and refine profile layout

* feat: add testing page

* feat: update css and remove comments from template

* fix: create dropdown not opening due to tooltip interference also lint

* fix: correct CSS selector for homebox in main.css to ensure proper theming functionality

* feat: make theme switching actually kinda work for shadcn

* fix: sidebar colours

* fix: remove unused router import, made sidebar indicate active page and sort tailwind config linting

* style: update styles

* chore: remove unused duplicate code

* style: refine theme management, CSS variables, get styles closer to original

* feat: implement suggested changes

* feat: better button size

---------

Co-authored-by: Matt Kilgore <tankerkiller125@users.noreply.github.com>

frontend/components/ui/dropdown-menu/DropdownMenuRadioItem.vue

@@ -0,0 +1,43 @@
+<script setup lang="ts">
+  import { Circle } from "lucide-vue-next";
+  import {
+    DropdownMenuItemIndicator,
+    DropdownMenuRadioItem,
+    type DropdownMenuRadioItemEmits,
+    type DropdownMenuRadioItemProps,
+    useForwardPropsEmits,
+  } from "radix-vue";
+  import { computed, type HTMLAttributes } from "vue";
+  import { cn } from "@/lib/utils";
+
+  const props = defineProps<DropdownMenuRadioItemProps & { class?: HTMLAttributes["class"] }>();
+
+  const emits = defineEmits<DropdownMenuRadioItemEmits>();
+
+  const delegatedProps = computed(() => {
+    const { class: _, ...delegated } = props;
+
+    return delegated;
+  });
+
+  const forwarded = useForwardPropsEmits(delegatedProps, emits);
+</script>
+
+<template>
+  <DropdownMenuRadioItem
+    v-bind="forwarded"
+    :class="
+      cn(
+        'relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
+        props.class
+      )
+    "
+  >
+    <span class="absolute left-2 flex size-3.5 items-center justify-center">
+      <DropdownMenuItemIndicator>
+        <Circle class="size-2 fill-current" />
+      </DropdownMenuItemIndicator>
+    </span>
+    <slot />
+  </DropdownMenuRadioItem>
+</template>