fix(landing): change oscillator icon image.

Author: aronhelser

src/samples/images/index.js

@@ -1,5 +1,5 @@
 import OpenFOAM from './OpenFOAM.png';
-import oscillator from './VTKm.png';
+import oscillator from './oscillator2.png';
 
 export default {
   OpenFOAM,