Formatting readme.

Author: guidorice

README.md

@@ -64,13 +64,13 @@ does not have any awareness of Mojo source or package structure, `pytest` is ext
 
 5. Mojo binary packages are also supported with `--mojo-include`. For example, this could be used in a CI/CD script:
 
-```shell
-    $ mojo package example_src/my_package -o build/my_package.mojopkg  # or .📦
-    $ pytest --mojo-include build/ example_tests/
-    ... 
-    ... (same pytest output as above)
-    ...
-```
+    ```shell
+        $ mojo package example_src/my_package -o build/my_package.mojopkg  # or .📦
+        $ pytest --mojo-include build/ example_tests/
+        ... 
+        ... (same pytest output as above)
+        ...
+    ```
 
 See also, the [pytest docs](https://docs.pytest.org) for many more options.