added tests for rule34 (non sufficient)

src/plugins/rule34/test.ts

@@ -0,0 +1,8 @@
+import { assert } from "jsr:@std/assert"
+import {refresh, drop} from "@root/plugins/rule34/api.ts"
+
+Deno.test("Test Drop", async() => {
+    await refresh()
+    const link = await drop()
+    assert(link !== "", "Empty String was dropped!")
+})