repo: add basic README

Author: jeffyanta

README.md

@@ -1 +1,24 @@
 # Flipchat Protobuf API
+
+[![Release](https://img.shields.io/github/v/release/code-payments/flipchat-protobuf-api.svg)](https://github.com/code-payments/flipchat-protobuf-api/releases/latest)
+[![GitHub License](https://img.shields.io/badge/license-MIT-lightgrey.svg?style=flat)](https://github.com/code-payments/flipchat-protobuf-api/blob/main/LICENSE.md)
+
+The APIs and models for communication between Flipchat clients and server.
+
+## Code Generation
+
+Generated code can be found under the `generated/` directory. The following languages are directly supported:
+- Go
+- TypeScript/JavaScript (via [Protobuf-ES](https://github.com/bufbuild/protobuf-es))
+
+To generate all code, run:
+
+```bash
+make
+```
+
+Or to generate a specific language, run:
+
+```bash
+make {go, protobuf-es}
+```