Added starter code for Week 11 lab

...ain/java/org/knowm/xchart/demo/charts/pie/PieChart04.java

...ain/java/org/knowm/xchart/demo/charts/pie/PieChart05.java

...java/org/knowm/xchart/demo/charts/radar/RadarChart01.java

...java/org/knowm/xchart/demo/charts/radar/RadarChart02.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart01.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart02.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart03.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart04.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart05.java

...rg/knowm/xchart/demo/charts/realtime/RealtimeChart06.java

.../org/knowm/xchart/demo/charts/scatter/ScatterChart01.java

.../org/knowm/xchart/demo/charts/scatter/ScatterChart02.java

.../org/knowm/xchart/demo/charts/scatter/ScatterChart03.java

.../org/knowm/xchart/demo/charts/scatter/ScatterChart04.java

...java/org/knowm/xchart/demo/charts/stick/StickChart01.java

.../knowm/xchart/demo/charts/theme/MyCustomSeriesColors.java

...ava/org/knowm/xchart/demo/charts/theme/MyCustomTheme.java

...java/org/knowm/xchart/demo/charts/theme/ThemeChart01.java

...java/org/knowm/xchart/demo/charts/theme/ThemeChart02.java

...java/org/knowm/xchart/demo/charts/theme/ThemeChart03.java