chore: add readme

README.md

@@ -0,0 +1,14 @@
+# Bufile
+
+Bufile is a CLI to generate [Linkerd](https://linkerd.io) service profiles
+using [Buf Schema Registry](https://buf.build/docs/registry).
+
+## Usage
+
+Here's an example protobuf file that includes the right annotations:
+
+https://github.com/vic3lord/bufile/blob/main/proto/testbufile/v1/testbufile.proto
+
+```shell
+bufile --config <path-to-bufile.json>
+```