Added full design created with Claude

.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+{
+    "name": "Amaranth HDL - IceBreaker",
+    "build": {
+        "dockerfile": "Dockerfile",
+        "context": ".."
+    },
+    // USB flashing (iceprog) requires the IceBreaker to be forwarded to WSL2 first.
+    // On Windows: install usbipd-win (https://github.com/dorssel/usbipd-win/releases),
+    // then run (as Administrator) before opening this devcontainer:
+    //   .devcontainer/attach-icebreaker.ps1
+    "runArgs": ["--privileged"],
+    "workspaceFolder": "/workspace",
+    "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind,consistency=cached",
+    "mounts": [
+        "source=${localEnv:USERPROFILE}/.claude,target=/root/.claude,type=bind,consistency=cached"
+    ],
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.python",
+                "ms-python.pylance",
+                "anthropic.claude-code"
+            ],
+            "settings": {
+                "python.defaultInterpreterPath": "/usr/local/bin/python"
+            }
+        }
+    }
+}