Fix dependencies: Add flag-icons, tailwind directives, and postcss config

node_modules/vitepress/dist/client/theme-default/composables/edit-link.js

@@ -0,0 +1,16 @@
+import { computed } from 'vue';
+import { useData } from './data';
+export function useEditLink() {
+    const { theme, page } = useData();
+    return computed(() => {
+        const { text = 'Edit this page', pattern = '' } = theme.value.editLink || {};
+        let url;
+        if (typeof pattern === 'function') {
+            url = pattern(page.value);
+        }
+        else {
+            url = pattern.replace(/:path/g, page.value.filePath);
+        }
+        return { url, text };
+    });
+}