Добавлены остальные инструменты

src/tools.zig

@@ -1,5 +1,8 @@
 const Toolbar = @import("Toolbar.zig");
 const line = @import("tools/line.zig");
+const ellipse = @import("tools/ellipse.zig");
+const arc = @import("tools/arc.zig");
+const broken = @import("tools/broken.zig");
 const icons = @import("icons.zig");
 
 pub const default_tools = [_]Toolbar.ToolDescriptor{
@@ -8,4 +11,19 @@ pub const default_tools = [_]Toolbar.ToolDescriptor{
         .icon_tvg = icons.line,
         .implementation = &line.tool,
     },
+    .{
+        .name = "Ellipse",
+        .icon_tvg = icons.ellipse,
+        .implementation = &ellipse.tool,
+    },
+    .{
+        .name = "Arc",
+        .icon_tvg = icons.arc,
+        .implementation = &arc.tool,
+    },
+    .{
+        .name = "Broken line",
+        .icon_tvg = icons.broken,
+        .implementation = &broken.tool,
+    },
 };