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/plugins/snackbar.ts

@@ -0,0 +1,53 @@
+import SnackbarComponent from "@/components/core/CustomSnackbar.vue";
+import { App } from "vue";
+
+export class Snackbar {
+  private app: App;
+
+  constructor(app: App) {
+    this.app = app;
+  }
+
+  open({
+    message,
+    variant,
+    position,
+    actionText,
+    cancelText,
+    onAction,
+  }: {
+    message?: string;
+    queue?: boolean;
+    indefinite?: boolean;
+    variant?: string;
+    position?: string;
+    actionText?: string;
+    cancelText?: string;
+    onAction?: () => any;
+  }) {
+    this.app.config.globalProperties.$oruga.notification.open({
+      component: SnackbarComponent,
+      props: {
+        message,
+        // queue,
+        // indefinite,
+        actionText,
+        cancelText,
+        onAction,
+        position: position ?? "bottom-right",
+        variant: variant ?? "dark",
+      },
+      position: position ?? "bottom-right",
+      variant: variant ?? "dark",
+      duration: 5000000,
+    });
+  }
+}
+
+export const snackbarPlugin = {
+  install(app: App) {
+    const snackbar = new Snackbar(app);
+    app.config.globalProperties.$snackbar = snackbar;
+    app.provide("snackbar", snackbar);
+  },
+};