update YAML instructions to be 1,2,3,4,5 rendered and update links (#3058)

* update instructions to be 1,2,3,4,5 rendered

* update broken links

Author: derrickaw

yaml/README.md

@@ -8,16 +8,16 @@ More detailed instructions on how to run the template can be found in the associ
 1.  **Contribution Instructions:** Read the code contributions located [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/blob/main/contributor-docs/code-contributions.md).
 
 1. **Add YAML Blueprint:** Create the YAML blueprint file that defines the template's structure and parameters.
-Place this file in [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/yaml/src/main/yaml).
+Place this file in [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/tree/main/yaml/src/main/yaml).
 
 1.  **Generate YAML Template (Optional):** If desired, create the YAML template using the generation script.
 
-```shell
-python yaml/src/main/python/generate_yaml_java_templates.py yaml/src/main/yaml
-```
+    ```shell
+    python yaml/src/main/python/generate_yaml_java_templates.py yaml/src/main/yaml
+    ```
 
 1.  **Create Integration Test:** Develop an integration test to validate the functionality of the new template.
-Place this file in [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/yaml/src/test/java).
+Place this file in [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/tree/main/yaml/src/test/java/com/google/cloud/teleport/templates/yaml).
 Additional instructions can be located [here](https://github.com/GoogleCloudPlatform/DataflowTemplates/blob/main/contributor-docs/add-integration-or-load-test.md).
 
 1.  **Generate Documentation:** Run the documentation generation script to create the official documentation for the template. You can find instructions on how to do this in the [contributor documentation](https://github.com/GoogleCloudPlatform/DataflowTemplates/blob/main/contributor-docs/code-contributions.md#generated-documentation).