Update docs, remove old docs

Author: akenmorris

docs/about/release-notes.md

@@ -1,6 +1,6 @@
 # Release Notes
 
-## ShapeWorks 6.6.0 - 2024-12
+## ShapeWorks 6.6.0 - 2025-03
 
 ![](../img/about/release6.6.png)
 

docs/backlog/ShapeworksCmdTools.md

@@ -22,7 +22,7 @@ ShapeWorks is a free, open-source suite of software tools that uses a flexible m
  <!--![](img/about/release6.2.png)-->
  <!--![](img/about/release6.3.png)-->
  <!--![](img/about/release6.4.png)-->
-![](img/about/release6.5.png)
+![](img/about/release6.6.png)
 
 !!! note "Release Notes"    
     Please visit [Release Notes](about/release-notes.md) to know about the ShapeWorks' cutting-edge features and improvements.

docs/backlog/TopologyPreservingSmoothingExample.xml

@@ -9,3 +9,5 @@ When painting is enabled, you can choose either segmenting or erasing mode. In s
 Segmentation can be performed on each slide and in any of the three views (X, Y, or Z).
 
 Click "Recompute Surface" to regenerate the surface mesh based on the updated segmentation.
+
+![Segmentation Tool Result](../img/studio/segmentation_tool2.png)

docs/backlog/fim_v4.md

@@ -25,7 +25,6 @@
 - [x] Add documentation for femur_mesh and lumps use cases
 - [ ] `use-cases/left-atrium.md`:Check the left atrium use case for saving txt files to carry over images to reflect recent changes (consolidation)
 - [ ] Consolidate docs/pdfs
-- [ ] Consolidate docs/backlog
 - [x] Add to use cases how to run with prepped data
 - [ ] Add mean and PCA visuals for ellipsoid and fixed domain ellipsoid use cases
 - [x] Review and edit ellipsoid use cases