[Docs] - add the document for adding helpful-commandlines for making search peco function menu

Author: lamhaison

README.md

@@ -49,6 +49,12 @@ echo "random_string" > ~/.password_assume_role_encrypted
 ## Settings when open terminal (I am using iterm)
 ```
 mkdir -p /opt/lamhaison-tools && cd /opt/lamhaison-tools
+
+# Install helpful-commandlines
+git clone [email protected]:lamhaison/helpful-commandlines.git
+echo "source /opt/lamhaison-tools/helpful-commandlines/main.sh" >> ~/.bashrc
+
+# Install aws-cli-utils commandlines
 git clone https://github.com/lamhaison/helpful-commandlines.git
 echo "source /opt/lamhaison-tools/aws-cli-utils/main.sh" >> ~/.bashrc
 ```