build: switch from yarn to npm to manage js dependencies and move js contents to root

yarn v1 is being deprecated and starts to have some issues

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

src/components/Image/BlurhashImg.vue

@@ -0,0 +1,34 @@
+<template>
+  <canvas ref="canvas" width="32" height="32" />
+</template>
+
+<script lang="ts" setup>
+import { decode } from "blurhash";
+
+import { ref, onMounted } from "vue";
+
+const props = withDefaults(
+  defineProps<{
+    hash: string;
+    aspectRatio?: number;
+  }>(),
+  { aspectRatio: 1 }
+);
+
+const canvas = ref<HTMLCanvasElement | undefined>(undefined);
+
+onMounted(() => {
+  try {
+    if (canvas.value) {
+      const pixels = decode(props.hash, 32, 32);
+      const imageData = new ImageData(pixels, 32, 32);
+      const context = canvas.value.getContext("2d");
+      if (context) {
+        context.putImageData(imageData, 0, 0);
+      }
+    }
+  } catch (e) {
+    console.error(e);
+  }
+});
+</script>