add devcontainer setup

Author: hepp3n

.devcontainer/Containerfile

@@ -0,0 +1,11 @@
+FROM mcr.microsoft.com/devcontainers/rust:dev-trixie 
+
+RUN DEBIAN_FRONTEND=noninteractive apt update && apt install -y \   
+    pkg-config \
+    libssl-dev \
+    libxkbcommon-dev \   
+    libwebkit2gtk-4.1-dev \
+    just
+
+RUN git clone https://github.com/pop-os/cosmic-icons.git /tmp/Cosmic
+RUN cd /tmp/Cosmic && just install

.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+{
+	"name": "QuickWebApps",
+	"build": {
+		"dockerfile": "Containerfile",
+		"context": ".."
+	},
+	"runArgs": [
+		"--device=/dev/dri:/dev/dri",
+		"--security-opt",
+		"seccomp=unconfined"
+	],
+	"mounts": [
+		"source=${localEnv:XDG_RUNTIME_DIR}/${localEnv:WAYLAND_DISPLAY},target=/tmp/${localEnv:WAYLAND_DISPLAY},type=bind"
+	],
+	"containerEnv": {
+		"WAYLAND_DISPLAY": "${localEnv:WAYLAND_DISPLAY}",
+		"XDG_RUNTIME_DIR": "/tmp"
+	}
+}