chore: remove .vitepress/cache

frontend/docs/.vitepress/cache/deps/_metadata.json

@@ -1,19 +0,0 @@
-{
-  "hash": "8f978f95",
-  "browserHash": "7414e922",
-  "optimized": {
-    "vue": {
-      "src": "../../../../node_modules/vue/dist/vue.runtime.esm-bundler.js",
-      "file": "vue.js",
-      "fileHash": "6db30e9f",
-      "needsInterop": false
-    },
-    "@theme/index": {
-      "src": "../../../../node_modules/vitepress/dist/client/theme-default/index.js",
-      "file": "@theme_index.js",
-      "fileHash": "e28de872",
-      "needsInterop": false
-    }
-  },
-  "chunks": {}
-}

frontend/docs/.vitepress/cache/deps/package.json

@@ -1,3 +0,0 @@
-{
-  "type": "module"
-}