fix: Update ReadMe docs to include local recipe test instructions

Author: Nandu-pns

test/manual/readme.MD

@@ -164,7 +164,7 @@ To test local recipe changes with the New Relic CLI, you can use the `--recipePa
 Steps for Testing Local Recipe Changes
 
 1) Locate Your Local Recipe:
-    Ensure your local recipe is saved on your system. For example, assume the recipe file is located at ~/debian.yml on an EC2 instance.
+    Ensure your local recipe is saved on your system. For example, assume the recipe file is located at `~/debian.yml` on an EC2 instance.
 
 2) Modify the Guided Install Command:
     Replace the default guided install command from New Relic's UI with a custom command by specifying the actual recipe name and using the `--recipePath` flag to point to your local recipe file.
@@ -173,14 +173,15 @@ Example Command:
 
 ```bash
 curl -Ls https://download.newrelic.com/install/newrelic-cli/scripts/install.sh | bash && \
-sudo NEW_RELIC_API_KEY=<API-KEY> NEW_RELIC_ACCOUNT_ID=<ACC-ID> /usr/local/bin/newrelic install -n infrastructure-agent-installer --recipePath ~/debian.yml
+sudo NEW_RELIC_API_KEY=<API-KEY> NEW_RELIC_ACCOUNT_ID=<ACC-ID> /usr/local/bin/newrelic install -n infrastructure-agent-installer --recipePath ~/debian.yml # Add --debug for verbose logging
 ```
 
 ## Explanation of Parameters:
 
 NEW_RELIC_API_KEY: Replace <API-KEY> with your actual New Relic API key.  
 NEW_RELIC_ACCOUNT_ID: Replace <ACC-ID> with your New Relic account ID.  
-`-n <recipe-name>`: Specifies the name of the recipe (e.g., infrastructure-agent-installer).  
-`--recipePath /path/to/your/local/recipe/file`: Specifies the path to your local recipe file (~/debian.yml in this case).  
+`-n <recipe-name>`: Specifies the name of the recipe (e.g., `infrastructure-agent-installer`).  
+`--recipePath /path/to/your/local/recipe/file`: Specifies the path to your local recipe file (`~/debian.yml` in this case).  
+`--debug`: Optional flag to enable verbose logging for debugging purposes.
 
 This approach allows you to test custom changes in your recipes locally before deploying them to production environments.