Initial commit with files

Still need to fix the imports

src/lib/components/label/LabelProvider.svelte

@@ -0,0 +1,37 @@
+<script lang="ts" context="module">
+    export interface LabelContext {
+        name?: string;
+        props?: object;
+        register: (value: string) => void;
+        labelIds?: string;
+    }
+</script>
+
+<script lang="ts">
+    import { setContext } from "svelte";
+    import { writable, Writable } from "svelte/store";
+    export let name: string;
+    let labelIds = [];
+    let contextStore: Writable<LabelContext> = writable({
+        name,
+        register,
+        props: $$restProps,
+    });
+    setContext("headlessui-label-context", contextStore);
+
+    $: contextStore.set({
+        name,
+        props: $$restProps,
+        register,
+        labelIds: labelIds.length > 0 ? labelIds.join(" ") : undefined,
+    });
+
+    function register(value: string) {
+        labelIds = [...labelIds, value];
+        return () => {
+            labelIds = labelIds.filter((labelId) => labelId !== value);
+        };
+    }
+</script>
+
+<slot labelledby={$contextStore.labelIds} />