Adding blockInstance fn.

src/http.ts

@@ -127,6 +127,8 @@ import { VerifyEmail } from "./types/VerifyEmail";
 import { VerifyEmailResponse } from "./types/VerifyEmailResponse";
 import { UploadImage, UploadImageResponse, VERSION } from "./types/others";
 import { HideCommunity } from "./types/HideCommunity";
+import { BlockInstance } from "./types/BlockInstance";
+import { BlockInstanceResponse } from "./types/BlockInstanceResponse";
 
 enum HttpType {
   Get = "GET",
@@ -1259,6 +1261,19 @@ export class LemmyHttp {
     );
   }
 
+  /**
+   * Block an instance.
+   *
+   * `HTTP.Post /site/block`
+   */
+  blockInstance(form: BlockInstance) {
+    return this.#wrapper<BlockInstance, BlockInstanceResponse>(
+      HttpType.Post,
+      "/site/block",
+      form,
+    );
+  }
+
   /**
    * Upload an image to the server.
    */

src/types/BlockInstance.ts

@@ -4,5 +4,4 @@ import type { InstanceId } from "./InstanceId";
 export interface BlockInstance {
   instance_id: InstanceId;
   block: boolean;
-  auth: string;
 }