chore: import upstream snapshot with attribution

.devcontainer/devcontainer.json

@@ -0,0 +1,21 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/universal
+{
+	"name": "Ubuntu: pnpm, rust, cmake, for JS dev",
+	"image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"rust-lang.rust-analyzer",
+				"ms-playwright.playwright"
+			]
+		}
+	},
+
+	"features": {
+		"ghcr.io/devcontainers/features/rust:1": {},
+		"ghcr.io/devcontainers-extra/features/pnpm:2": {}
+	},
+
+	"postCreateCommand": "./.devcontainer/postcreate.sh"
+}

.devcontainer/postcreate.sh

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+#!/bin/bash
+
+set -e
+
+sudo apt-get update
+
+# Install cmake
+test -f /usr/share/doc/kitware-archive-keyring/copyright ||
+wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /usr/share/keyrings/kitware-archive-keyring.gpg >/dev/null
+
+echo 'deb [signed-by=/usr/share/keyrings/kitware-archive-keyring.gpg] https://apt.kitware.com/ubuntu/ jammy main' | sudo tee /etc/apt/sources.list.d/kitware.list >/dev/null
+sudo apt-get update
+sudo apt-get install -y kitware-archive-keyring
+sudo apt-get install -y cmake
+
+# Install uv
+curl -LsSf https://astral.sh/uv/install.sh | sh
+
+# Repo setup
+pnpm install