feat: cobb angle with cstools (#576)

* feat: cobb angle first cstools implementation

* fix: cobb angle segments and usability

* fix: last fixes cobb angle tool

* fix examples

* fix: version

Author: laura-borghesi-lum00n

docs/examples/base.html

@@ -632,6 +632,7 @@ <h5 class="modal-title" id="codeModalLabel">JavaScript Code</h5>
           larvitar.renderImage(serie, "viewer").then(() => {
             larvitar.logger.debug("Image has been rendered");
             larvitar.addDefaultTools("viewer");
+
             hideSpinner(); // Hide the spinner when all files are processed
           });
         }

docs/examples/defaultTools.html

@@ -373,6 +373,10 @@ <h5 class="modal-title" id="codeModalLabel">JavaScript Code</h5>
             info.style.display = "block";
             info.innerHTML =
               "Step 1 — Draw Functional Tibial Axis (FTA)</br>Step 2 — Draw Medial Tibial Plateau Line (MTP)<br/>Reference Line (REF) automatically calculated (normal to FTA) </br> <b>Tibial Plateau Angle displayed</b>";
+          } else if (tool === "CobbAngle") {
+            info.style.display = "block";
+            info.innerHTML =
+              "Draw two lines along the endplates of the vertebrae or anatomical landmarks.</br> The tool calculates the intersecting angle between them and displays the Cobb angle measurement. <b>Use it to quantify spinal curvature.</b>";
           } else if (tool === "Grid") {
             info.style.display = "block";
             info.innerHTML =