Rename project to FilterView and update package structure

- Renamed the project to FilterView in preparation for GitHub update
- Updated package name from com.waveletsolutions.robot to com.waveletsolutions.filtering
- Modified build_and_run.md and pom.xml to reflect the new project and package name
- Renamed App.java, FFTUtils.java, and FilterUtils.java to match the new package structure

src/main/java/com/waveletsolutions/filtering/App.java

@@ -1,4 +1,4 @@
-package com.waveletsolutions.robot;
+package com.waveletsolutions.filtering;
 
 import javafx.animation.KeyFrame;
 import javafx.animation.Timeline;

src/main/java/com/waveletsolutions/filtering/FFTUtils.java

@@ -1,4 +1,4 @@
-package com.waveletsolutions.robot;
+package com.waveletsolutions.filtering;
 
 import org.apache.commons.math3.complex.Complex;
 import org.apache.commons.math3.transform.DftNormalization;

src/main/java/com/waveletsolutions/filtering/FilterUtils.java

@@ -1,4 +1,4 @@
-package com.waveletsolutions.robot;
+package com.waveletsolutions.filtering;
 
 import java.util.List;