fix(components): augment 'vue' module rather than overwriting (#305)

packages/app/types/shims.d.ts

@@ -33,5 +33,3 @@ declare module 'vue' {
     $nuxt: Nuxt
   }
 }
-
-export {}

packages/components/src/runtime/components.tmpl.d.ts

@@ -5,3 +5,6 @@ declare module 'vue' {
 }).join(',\n') %>
   }
 }
+
+// export required to turn this into a module for TS augmentation purposes
+export { }

packages/nitro/src/runtime/types.d.ts

@@ -7,5 +7,5 @@ declare global {
   }
 }
 
-// type export required to turn this into a module for TS augmentation purposes
+// export required to turn this into a module for TS augmentation purposes
-export type A = {}
+export { }

packages/nitro/types/shims.d.ts

@@ -21,5 +21,3 @@ declare module '#assets' {
   export function statAsset(id: string): Promise<AssetMeta>
   export function getAsset<T=any>(id: string): { read: () => Promise<T>, meta: AssetMeta }
 }
-
-export {}