refactor(models,ddb): rename miltiple object models and related functions

internal/models/slices.go

@@ -7,32 +7,32 @@ type Pagination struct {
 	Count  int `json:"count"`
 }
 
-type Persons struct {
+type PersonSlice struct {
 	Pagination Pagination    `json:"pagination"`
 	Persons    []PersonBrief `json:"persons"`
 }
 
-type Roles struct {
+type RoleSlice struct {
 	Pagination Pagination `json:"pagination"`
 	Roles      []Role     `json:"roles"`
 }
 
-type Artists struct {
+type ArtistSlice struct {
 	Pagination Pagination    `json:"pagination"`
 	Artists    []ArtistBrief `json:"artists"`
 }
 
-type Tracks struct {
+type TrackSlice struct {
 	Pagination Pagination   `json:"pagination"`
 	Tracks     []TrackBrief `json:"tracks"`
 }
 
-type Aliases struct {
+type AliasSlice struct {
 	Pagination Pagination `json:"pagination"`
 	Aliases    []Alias    `json:"aliases"`
 }
 
-type Kirokus struct {
+type KirokuSlice struct {
 	Pagination Pagination `json:"pagination"`
 	Kirokus    []Kiroku   `json:"kirokus"`
 }