Updated readme with build instructions

README.md

@@ -1,3 +1,17 @@
 A save manager for dark souls.
 
 Can be used with any game that uses only a single save file.
+
+To use:  
+Get node: https://nodejs.org  
+Run "npm install" from command line in the root directory (The directory containing "package.json")  
+Run "gulp electron-build"  
+Run "electron.exe" in the "dist" folder  
+
+To develop:  
+Get node: https://nodejs.org  
+Run "npm install" from command line in the root directory (The directory containing "package.json")  
+Run "npm install -g electron"  
+Run "electron main.js" from command line in the root directory  
+Open the project in your favorite editor/IDE and edit the files in the "app" folder  
+After making changes hit "Ctrl+R" or select "View -> Reload" From the menu