use npm clean-install in instructions

Author: fdiblen

README.dev.md

@@ -11,7 +11,6 @@ The notes about technology choices, design, personas can be found in [project-do
 ```shell
 # clone this repository
 git clone https://github.com/citation-file-format/cffinit
-
 # change directory
 cd cffinit
 ```
@@ -21,7 +20,7 @@ cd cffinit
 The command below will install dependencies
 
 ```shell
-npm install
+npm clean-install
 ```
 
 ## start the development server