refactor: remove paging types from apps endpoint

- remove `PagingRequest`, `PagingOption`, and `Page` struct from
`apps.go`
- remove unused `strconv` import

apps.go

@@ -3,7 +3,6 @@ package onspring
 import (
 	"context"
 	"net/http"
-	"strconv"
 )
 
 const (
@@ -14,28 +13,6 @@ type AppsEndpoint struct {
 	client *Client
 }
 
-type PagingRequest struct {
-	pageSize   int
-	pageNumber int
-}
-
-func (pr *PagingRequest) ToParams() map[string]string {
-	return map[string]string{
-		"pageSize":   strconv.Itoa(pr.pageNumber),
-		"pageNumber": strconv.Itoa(pr.pageSize),
-	}
-}
-
-type PagingOption func(*PagingRequest)
-
-type Page[T any] struct {
-	PageNumber   int `json:"pageNumber"`
-	PageSize     int `json:"pageSize"`
-	TotalPages   int `json:"totalPages"`
-	TotalRecords int `json:"totalRecords"`
-	Items        []T `json:"items"`
-}
-
 type App struct {
 	Href string `json:"href"`
 	Id   int    `json:"id"`

page.go

@@ -0,0 +1,9 @@
+package onspring
+
+type Page[T any] struct {
+	PageNumber   int `json:"pageNumber"`
+	PageSize     int `json:"pageSize"`
+	TotalPages   int `json:"totalPages"`
+	TotalRecords int `json:"totalRecords"`
+	Items        []T `json:"items"`
+}

pagingRequest.go

@@ -0,0 +1,17 @@
+package onspring
+
+import "strconv"
+
+type PagingRequest struct {
+	pageSize   int
+	pageNumber int
+}
+
+func (pr *PagingRequest) ToParams() map[string]string {
+	return map[string]string{
+		"pageSize":   strconv.Itoa(pr.pageNumber),
+		"pageNumber": strconv.Itoa(pr.pageSize),
+	}
+}
+
+type PagingOption func(*PagingRequest)