docs: add example

README.md

@@ -8,7 +8,30 @@ Amazon SQS for Deno
 
 ## Examples
 
-Coming soon...
+```ts
+import { SQSQueue } from "https://deno.land/x/sqs@0.3.0/mod.ts";
+
+// Create a queue using the queue url and credentials
+const queue = new SQSQueue({
+  queueURL: "https://sqs.us-east-2.amazonaws.com/123456789012/MyQueue/",
+  accessKeyID: Deno.env.get("AWS_ACCESS_KEY_ID")!,
+  secretKey: Deno.env.get("AWS_SECRET_ACCESS_KEY")!,
+  region: "us-east-2",
+});
+
+// Send a message to this queue and print the message ID.
+const res = await queue.sendMesssage({ body: "Hello World!" });
+console.log("Sent message with id ", res.messageID);
+
+// Receive a message from the queue:
+const { messages } = await queue.receiveMessage();
+for (const message of messages) {
+  console.log("Recieved message ", message.messageID, "and body", message.body);
+
+  // Delete the message after receiving it
+  await queue.deleteMessage(message.receiptHandle);
+}
+```
 
 ## Contributing