Add code style for the commands in the

README.md

@@ -16,28 +16,35 @@ findbugs-maven-plugin
 
 Maven Mojo Plug-In to generate reports based on the FindBugs Analyzer
 
-Run all test
+Run all tests
+```
 mvn -Prun-its clean install
-
+```
 Skip tests
+```
 mvn -DskipTests=true clean install
-
+```
 Run tests on findbugs test source code that is local instead of from FindBugs SVN repository
+```
 mvn -DtestSrc=local -DlocalTestSrc=/opt/findBugs/findbugsTestCases/src -Prun-its clean install
- 
+```
 
 Run selected tests
+```
 mvn -Prun-its -Dinvoker.test=build-*,basic-1,check clean install
-
+```
 
 Run tests in debugger
+```
 mvn -Dmaven.surefire.debug="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE" -Prun-its clean install 
-
+```
 
 Run selected tests in debugger
+```
 mvn -Dmaven.surefire.debug="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -Xnoagent -Djava.compiler=NONE" -Prun-its -Dinvoker.test=build-*,basic-1,check clean install
-
+```
 
 Run gui with a specific version 
-
+```
 mvn org.codehaus.mojo:findbugs-maven-plugin:3.0.2-SNAPSHOT:gui 
+```