Create AuthToken entity

src/main/java/run/halo/app/security/token/AuthToken.java

@@ -0,0 +1,32 @@
+package run.halo.app.security.token;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * Access token.
+ *
+ * @author johnniang
+ * @date 19-4-29
+ */
+@Data
+public class AuthToken {
+
+    /**
+     * Access token.
+     */
+    @JsonProperty("access_token")
+    private String accessToken;
+
+    /**
+     * Expired in. (seconds)
+     */
+    @JsonProperty("expired_in")
+    private int expiredIn;
+
+    /**
+     * Refresh token.
+     */
+    @JsonProperty("refresh_token")
+    private String refreshToken;
+}