add template config file and read application path from there

.gitignore

@@ -1 +1,3 @@
-.idea
+.idea
+config.ini
+client

README.md

@@ -2,4 +2,10 @@
 
 This is an API test tool for the KSG framework.
 
-Work in progress.
+Work in progress.
+
+## Usage:
+
+1. Setup a client program to test. 
+2. Copy `config.ini.template` to `config.ini` and enter the path to the main application inside.
+3. Run test.ahk with AutoHotKey

config.ini.template

@@ -0,0 +1,2 @@
+[settings]
+ApplicationPath=<path_to_start.exe>