refactor: 구인 카테고리 추가

Author: larama-C

src/main/java/com/back/web7_9_codecrete_be/domain/community/post/dto/request/PostCreateRequest.java

@@ -14,7 +14,7 @@ public class PostCreateRequest {
     @Schema(
             description = "게시글 카테고리",
             example = "REVIEW",
-            allowableValues = {"NOTICE", "REVIEW", "TRADE", "PHOTO"}
+            allowableValues = {"NOTICE", "REVIEW", "JOIN", "TRADE", "PHOTO"}
     )
     private PostCategory category;
 

src/main/java/com/back/web7_9_codecrete_be/domain/community/post/dto/request/PostUpdateRequest.java

@@ -14,7 +14,7 @@ public class PostUpdateRequest {
     @Schema(
             description = "게시글 카테고리",
             example = "NOTICE",
-            allowableValues = {"NOTICE", "REVIEW", "TRADE", "PHOTO"}
+            allowableValues = {"NOTICE", "REVIEW","JOIN", "TRADE", "PHOTO"}
     )
     private PostCategory category;
 

src/main/java/com/back/web7_9_codecrete_be/domain/community/post/entity/PostCategory.java

@@ -7,6 +7,7 @@
 public enum PostCategory {
     NOTICE,
     REVIEW,
+    JOIN,
     TRADE,
     PHOTO;