Actualiser README.md

Populating readme

README.md

@@ -1,3 +1,19 @@
 # gitpuller
 
-Pulling every git repository inside subdirectories of a root folder
+(https://imgur.com/a/PJgLjDy "Screenshot")
+
+Pulling every git repository inside subdirectories of a root folder.
+Edit the variable "local_repository_folder" to the folder you clone all your repositories.
+```bash
+vi gitpuller.sh
+```
+
+Give execution permission on the script and run it:
+```bash
+chmod +x gitpuller.sh
+./gitpuller.sh
+```
+
+Optionaly add it to your .bashrc or any other script that is run on a schedule that fit your needs.
+
+Profit!