Revert "Stop publish examples to mongoose repo"

This reverts commit 1a17e17c462bdd4e1d26d8742f8b7087273e04c2.

PUBLISHED_FROM=80028de308c9a021955d1425d2bfee8feb85f193

examples/restful_server_s3/README.md

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+RESTful server with Amazon S3 upload example
+============================================
+
+This example demonstrates how Mongoose could be used to implement a RESTful
+service that uses another RESTful service to handle it's own API call.
+This example takes form data and uploads it as a file to Amazon S3.
+
+## Prerequisites
+
+- Amazon S3 account security credentials: Access Key ID and Secret Access
+  Key ID. Get them from the Amazon IAM console.
+- Amazon S3 bucket.
+
+## Building and running the example
+
+    $ git clone https://github.com/cesanta/mongoose.git
+    $ cd mongoose/examples/restful_server_s3
+    $ make
+    $ ./restful_server_s3 -a ACCESS_KEY_ID -s SECRET_ACCESS_KEY_ID
+    Starting RESTful server on port 8000
+
+Then, open a browser on `http://localhost:8000`
+
+Note: If you're getting a *Temporary Redirect* error, look what is the
+Endpoint value is. It's likely that you have something like
+`BUCKET_NAME.S3_ZONE.amazonaws.com`.
+Change the *Host* field to `S3_ZONE.amazonaws.com and retry`.
+
+## Screenshot
+
+![](https://docs.cesanta.com/images/mongoose_s3_example.png)