add first version of a readme file

Author: realFlowControl

README.md

@@ -0,0 +1,18 @@
+# Serverless GraphQL API on top of Microservices
+
+... written in PHP
+
+## Quickstart example
+
+```bash
+$ make
+$ docker-compose up -d
+$ curl -X POST \
+       -H "Content-Type: application/json" \
+       --data '{ "query": "{ product (id:1) { id name } }" }' \
+       localhost:8000
+```
+
+## License
+
+MIT, see [LICENSE file](LICENSE).