commit first Post entity version

src/main/java/questionentities/Post.java

@@ -1,4 +1,28 @@
 package questionentities;
 
+import java.time.LocalDate;
+
 public class Post {
+    private final int questionId;
+    private final LocalDate createAt;
+    private final String postText;
+
+
+    public Post(int questionId, LocalDate createAt, String postText){
+        this.questionId = questionId;
+        this.createAt = createAt;
+        this.postText = postText;
+    }
+
+    public int getQuestionId() {
+        return questionId;
+    }
+
+    public LocalDate getCreateAt() {
+        return createAt;
+    }
+
+    public String getPostText() {
+        return postText;
+    }
 }