Documentation improved

README.md

@@ -1,18 +1,27 @@
 # Asynchronous DB calculations reading the binary log
 
-Clone *zongji* repo into project directory.
+## Enviroment setup
+
+Because a bug with MariaDB wich it's fix is pending to be merged into main
+project branch, a *zongji* fork must be cloned into project root directory.
+More info at https://github.com/nevill/zongji/issues/143
 ```text
 git clone https://github.com/juan-ferrer-toribio/zongji.git
 cd zongji
 git checkout fix-143
 ```
 
+Apply SQL commands from *zongji.sql* into DB.
+
+Copy *config.json* to *config.local.json* and place your local configuration
+there.
+
 Install dependencies.
 ```text
-npm i
+npm install
 ```
 
-Apply SQL commands from *zongji.sql* into DB.
+## Run application
 
 Launch app.
 ```text