testing codespaces setup for rust on arch

.devcontainer/Dockerfile

@@ -0,0 +1,9 @@
+FROM archlinux:latest
+
+WORKDIR /home/
+
+COPY . .
+
+RUN bash ./setup.sh
+
+ENV PATH="/root/.cargo/bin:$PATH"

.devcontainer/setup.sh

@@ -0,0 +1,15 @@
+pacman -Syu --noconfirm
+
+pacman -S --noconfirm \
+    curl \
+    git \
+    base-devel \
+    rustup
+
+rustup install nightly
+rustup component add rustfmt
+rustup component add rustfmt --toolchain nightly
+rustup component add clippy
+rustup component add clippy --tolchain nightly
+
+cargo install cargo-audit