fix problems and add Swagger

pom.xml

@@ -27,7 +27,11 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter</artifactId>
 		</dependency>
-
+		<dependency>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.1.0</version>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

src/main/java/mate/academy/rickandmorty/controller/CharacterController.java

@@ -1,5 +1,7 @@
 package mate.academy.rickandmorty.controller;
 
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import mate.academy.rickandmorty.dto.CharacterDto;
 import mate.academy.rickandmorty.service.CharacterService;
@@ -10,18 +12,23 @@
 
 import java.util.List;
 
+@Tag(name = "Character management", description = "Endpoints for getting characters from db")
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/api")
 public class CharacterController {
     private final CharacterService characterService;
 
-    @GetMapping("/randomCharacter")
+    @Operation(summary = "Get random character",
+            description = "Get a random characters from Rick and Morty world")
+    @GetMapping("/random")
     public CharacterDto getRandomCharacter() {
         return characterService.getRandomCharacter();
     }
 
-    @GetMapping("/searchCharacter")
+    @GetMapping("/search")
+    @Operation(summary = "Search characters by name's part",
+            description = "Search characters by name's part")
     public List<CharacterDto> searchCharacter(@RequestParam String name) {
         return characterService.findByName(name);
     }

src/main/java/mate/academy/rickandmorty/dto/ListCharacterDto.java

@@ -8,5 +8,5 @@
 @JsonIgnoreProperties(ignoreUnknown = true)
 @Data
 public class ListCharacterDto {
-    private List<CharacterResponseDto> characterResponseDto;
+    private List<CharacterResponseDto> results;
 }

src/main/java/mate/academy/rickandmorty/service/RickAndMortyClient.java

@@ -30,7 +30,7 @@ public List<CharacterResponseDto> getCharacters() {
                     .send(request, HttpResponse.BodyHandlers.ofString());
             ListCharacterDto listCharacterDto = objectMapper
                     .readValue(response.body(), ListCharacterDto.class);
-            return listCharacterDto.getCharacterResponseDto();
+            return listCharacterDto.getResults();
         } catch (IOException | InterruptedException e) {
             throw new RuntimeException(e);
         }