feature: infinite scroll (#119)

Add infinite scroll support to app list and dataset list.

web/models/app.ts

@@ -61,6 +61,10 @@ export type SiteConfig = {
 
 export type AppListResponse = {
   data: App[]
+  has_more: boolean
+  limit: number
+  page: number
+  total: number
 }
 
 export type AppDetailResponse = App

web/models/datasets.ts

@@ -29,6 +29,10 @@ export type File = {
 
 export type DataSetListResponse = {
   data: DataSet[]
+  has_more: boolean
+  limit: number
+  page: number
+  total: number
 }
 
 export type IndexingEstimateResponse = {