pr comments

1) Delete the output dir
2) changed documentation to generate the compose file

scripts/parachain-launch/README.md

@@ -6,19 +6,19 @@
 
 [Parachain-launch](https://github.com/open-web3-stack/parachain-launch) is a script that generates a docker compose file allowing you to launch a testnet of multiple blockchain nodes.
 
-The output directory already contains a generated docker-compose file so you can spin a testnet up without needing to install `parachain-launch`
-
-To get the testnet up and running run the below command
+To generate the compose file, first ensure `parachain-launch` is installed and run the following command
 
 ```
-docker-compose -f output/docker-compose.yml up -d
+parachain-launch generate statemine.yml
 ```
 
-To regenerate the compose file, first ensure `parachain-launch` is installed and run the following command
+This will produce an output directory that contains all the necassary files to run the testnet.
+
+Once the run is successful, you can spin up the infrastructure using the below command
 
 ```
-parachain-launch generate statemine.yml
+docker-compose -f output/docker-compose.yml up -d
 ```
 
 # Requirements
-The only requirement to spin a testnet up is to have [docker-compose](https://docs.docker.com/compose/install/) installed, however to generate your own compose file then please follow the instructions to install `parachain-launch`
+[docker-compose](https://docs.docker.com/compose/install/) and [Parachain-launch](https://github.com/open-web3-stack/parachain-launch)