Update readme

README.md

@@ -1,2 +1,39 @@
 # Rusty launcher
 
+## CMD
+
+To use this, please provide a route to configuration file, and if desired log level(info default)
+
+```cmd
+launcher.exe -h
+A generic application launcher that allows dll injection into the process(Only for Windows)
+
+Usage: launcher.exe [OPTIONS]
+
+Options:
+  -c, --config-file <CONFIG_FILE>  The location of the config file [default: ./config.toml]
+  -l, --log-level <LOG_LEVEL>      The log level for the launcher [possible values: off, error, warn, info, debug, trace]
+  -h, --help                       Print help (see more with '--help')
+  -V, --version                    Print version
+
+D:\Projects\KuroGames\wuwa-rs\rusty-launcher>
+```
+
+## Examples
+
+In the samples directory you will find some samples that are listed here to for completion
+
+### WW
+
+```toml
+[launcher]
+executable_file = 'Client-Win64-Shipping.exe'
+cmd_line_args = '-fileopenlog'
+current_dir = '<REPLACE_THIS_FOR_YOUR_GAME_FOLDER>\Client\Binaries\Win64'
+dll_list = ['<FULL_PATH_TO_SHOREKEEPER_DLL>']
+
+[environment]
+#environment = ['TESTVAR1=AAAAAA', 'TESTVAR2=AAAAAA']
+#use_system_env = true
+#environment_append = false
+```