chore: no need to inject custom preambles

src/client/app/composables/pageData.ts

@@ -1,5 +1,5 @@
-import { PageData } from '../../../../types/shared'
 import { inject, InjectionKey, Ref } from 'vue'
+import { PageData } from '../../../../types/shared'
 
 export type PageDataRef = Ref<PageData>
 

src/client/app/index.html

@@ -1,7 +1,2 @@
 <div id="app"></div>
-<script>
-window.__DEV__ = true
-window.__BASE__ = '/' // TODO handle base!
-window.process = { env: { NODE_ENV: 'development'} }
-</script>
 <script type="module" src="/@app/index.js"></script>