update readme w/ buf config

Author: Fraser-Isbester

README.md

@@ -9,6 +9,40 @@ Support:
 ## Python Types (@dataclass)
 This template generates basic Python Dataclasses from Proto Messages.
 
+<details>
+    <summary>Buf Configuration</summary>
+
+
+```yaml
+# ./proto/buf.gen.yaml
+version: v1
+managed:
+  enabled: true
+  go_package_prefix:
+    default: github.com/fraser-isbester/gapic-python-basic/examples/simple-types
+plugins:
+  - plugin: python_gapic
+    out: ../gen/python
+    opt:
+      - python-gapic-templates=/Users/fraser/code/gapic-python-basic/templates/dataclasses
+
+```
+
+```yaml
+# ./proto/buf.yaml
+version: v1
+name: buf.build/fraser/simple-types
+breaking:
+  use:
+    - FILE
+lint:
+  use:
+    - DEFAULT
+    - COMMENTS
+```
+
+</details>
+
 <details>
     <summary>Proto Definition</summary>
 

examples/simple-types/proto/buf.gen.yaml

@@ -1,12 +1,11 @@
+# ./proto/buf.gen.yaml
+
 version: v1
 managed:
   enabled: true
   go_package_prefix:
     default: github.com/fraser-isbester/gapic-python-basic/examples/simple-types
 plugins:
-  - plugin: buf.build/protocolbuffers/go
-    out: ../gen/go
-    opt: paths=source_relative
   - plugin: python_gapic
     out: ../gen/python
     opt:

examples/simple-types/proto/buf.yaml

@@ -1,3 +1,4 @@
+# ./proto/buf.yaml
 version: v1
 name: buf.build/fraser/simple-types
 breaking:
@@ -7,5 +8,3 @@ lint:
   use:
     - DEFAULT
     - COMMENTS
-    - UNARY_RPC
-    - PACKAGE_NO_IMPORT_CYCLE