T20: Debug

- DebugToolbar, BreakpointList, CallStack with folded library frames, ThreadList
- VariablesPanel and WatchPanel, colored by kind, changes washed
- HexViewer at a base address with the byte under the pointer lit on both sides
- Disassembly with source lines, registers and numbers colored, gutter breakpoints
- Flamegraph that zooms by frame, TimelineProfiler that zooms and pans by wheel
- NetworkInspector with a waterfall, a filter and a request's headers and body
- icons: redo-dot, arrow-down-to-dot, arrow-up-from-dot
- gallery: the Debug page

assets/icons/arrow-down-to-dot.svg

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+<!-- @license lucide-static v1.48.0 - ISC -->
+<svg
+  class="lucide lucide-arrow-down-to-dot"
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M12 2v14" />
+  <path d="m19 9-7 7-7-7" />
+  <circle cx="12" cy="21" r="1" />
+</svg>

assets/icons/arrow-up-from-dot.svg

@@ -0,0 +1,17 @@
+<!-- @license lucide-static v1.48.0 - ISC -->
+<svg
+  class="lucide lucide-arrow-up-from-dot"
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="m5 9 7-7 7 7" />
+  <path d="M12 16V2" />
+  <circle cx="12" cy="21" r="1" />
+</svg>

assets/icons/redo-dot.svg

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+<!-- @license lucide-static v1.48.0 - ISC -->
+<svg
+  class="lucide lucide-redo-dot"
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <circle cx="12" cy="17" r="1" />
+  <path d="M21 7v6h-6" />
+  <path d="M3 17a9 9 0 0 1 9-9 9 9 0 0 1 6 2.3l3 2.7" />
+</svg>