Update README.md

Author: aperrad

README.md

@@ -1,5 +1,11 @@
 Deobfuscate client log from GWT 
 
+GWT Client Client Log can be obfuscated when building app for production. It can be difficult if a customer send you an error in your app to understand it easily and quickly with that. 
+
+This app allow to de-obfuscate text file of client stacktrace from the war file or the symbol map which throw this exception.
+
+It can be done with the CLI which can take parameters as below and with a GUI interface.
+
 ```
 USAGE: gwt-client-log-deobfuscator-jar-with-dependencies.jar [-h] [-l
        <locale>] [-m <symbolmap>] -o <output> -s <stacktrace> [-u
@@ -15,3 +21,15 @@ USAGE: gwt-client-log-deobfuscator-jar-with-dependencies.jar [-h] [-l
                                 gecko1_8, safari, chrome, firefox
  -w,--war <war>                 Webapp WAR file path
 ```
+
+Examples : 
+* From symbol map :
+```sh
+java -jar -s input.log -m example.symbolMap -l fr -u safari -o output.log
+```
+
+* From WAR file :
+```sh
+java -jar -s input.log -m example.war -l fr -u safari -o output.log
+```
+