docs, auth starting officially 0.2.0 version

server/src/auth/docs/first_reg.txt

@@ -0,0 +1,10 @@
+❯ grpcurl -plaintext -d '{
+  "username": "testuser2",
+  "email": "test2@example.com"
+}' localhost:50051 multieko2.auth.AuthService/Register
+{
+  "id": "5fa9bbce-85e0-4b06-8364-b561770c2fdd",
+  "username": "testuser2",
+  "email": "test2@example.com",
+  "role": "accountant"
+}