feat(svg-editor): Implement SVG shape loading and editing functionality

- Add SVG shape loading from disk, allowing users to customize shapes by placing SVG files in the designated directory.
- Introduce a new `ShapeCatalog` to manage SVG shapes, prioritizing user-defined shapes over built-in templates.
- Implement an SVG editor with node-based editing capabilities, enabling users to manipulate SVG paths directly.
- Create a new `SvgEditable` structure to represent editable SVG shapes, supporting operations like adding, removing, and moving nodes.
- Enhance the GUI with an SVG editor panel for visual editing of SVG shapes, including controls for node manipulation and saving changes.
- Ensure compatibility with existing shape tools and maintain a seamless user experience across the application.

hcie-protocol/src/tools.rs

@@ -43,6 +43,7 @@ pub enum Tool {
     AiObjectRemoval,
     SmartSelect,
     VisionSelect,
+    CustomShape(u32),
 }
 
 impl Tool {
@@ -100,6 +101,7 @@ impl Tool {
             Tool::AiObjectRemoval => "AI Object Removal",
             Tool::SmartSelect   => "Smart Select",
             Tool::VisionSelect  => "Vision Tools",
+            Tool::CustomShape(_) => "Custom Shape",
         }
     }
 
@@ -141,6 +143,7 @@ impl Tool {
             Tool::AiObjectRemoval => "🪄",
             Tool::SmartSelect   => "🎯",
             Tool::VisionSelect  => "👁",
+            Tool::CustomShape(_) => "○",
         }
     }
 
@@ -187,7 +190,7 @@ impl Tool {
             Tool::VectorPolygon | Tool::VectorRhombus | Tool::VectorCylinder |
             Tool::VectorHeart | Tool::VectorBubble | Tool::VectorGear |
             Tool::VectorCross | Tool::VectorCrescent | Tool::VectorBolt |
-            Tool::VectorArrow4
+            Tool::VectorArrow4 | Tool::CustomShape(_)
         )
     }