Synchronizing API and documentation updates

src/main/java/org/gitnex/tea4j/v2/models/IdAssetsBody1.java

@@ -35,7 +35,7 @@ public class IdAssetsBody1 implements Serializable {
    *
    * @return attachment
    */
-  @Schema(required = true, description = "attachment to upload")
+  @Schema(description = "attachment to upload")
   public File getAttachment() {
     return attachment;
   }

src/main/java/org/gitnex/tea4j/v2/models/IdAssetsBody2.java

@@ -0,0 +1,83 @@
+/*
+ * Gitea API
+ * This documentation describes the Gitea API.
+ *
+ * OpenAPI spec version: {{AppVer | JSEscape}}
+ *
+ *
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen.git
+ * Do not edit the class manually.
+ */
+
+package org.gitnex.tea4j.v2.models;
+
+import com.google.gson.annotations.SerializedName;
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.io.File;
+import java.io.Serializable;
+import java.util.Objects;
+
+/** IdAssetsBody2 */
+public class IdAssetsBody2 implements Serializable {
+  private static final long serialVersionUID = 1L;
+
+  @SerializedName("attachment")
+  private File attachment = null;
+
+  public IdAssetsBody2 attachment(File attachment) {
+    this.attachment = attachment;
+    return this;
+  }
+
+  /**
+   * attachment to upload
+   *
+   * @return attachment
+   */
+  @Schema(description = "attachment to upload")
+  public File getAttachment() {
+    return attachment;
+  }
+
+  public void setAttachment(File attachment) {
+    this.attachment = attachment;
+  }
+
+  @Override
+  public boolean equals(java.lang.Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    IdAssetsBody2 idAssetsBody2 = (IdAssetsBody2) o;
+    return Objects.equals(this.attachment, idAssetsBody2.attachment);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(Objects.hashCode(attachment));
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class IdAssetsBody2 {\n");
+
+    sb.append("    attachment: ").append(toIndentedString(attachment)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces (except the first line).
+   */
+  private String toIndentedString(java.lang.Object o) {
+    if (o == null) {
+      return "null";
+    }
+    return o.toString().replace("\n", "\n    ");
+  }
+}