feat(workspace): Add Nix Shell build environment

.vscode/settings.json

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+{
+    "nixEnvSelector.nixFile": "${workspaceFolder}/shell.nix"
+}

rust-toolchain.toml

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+#:schema https://json.schemastore.org/rust-toolchain.json
+
+[toolchain]
+channel = "stable"
+# https://rust-lang.github.io/rustup/concepts/components.html
+components = [
+	  "rust-src", # for rust-analyzer
+      "rust-analyzer",
+	  "cargo",
+	  "rustc",
+	  "rustfmt",
+	  "clippy",
+	  "rust-docs",
+]
+targets = [
+	# 64bits Linux Desktop
+	"x86_64-unknown-linux-gnu",
+	# Web Assembly
+	"wasm32-unknown-unknown",
+	# Android
+	"aarch64-linux-android",
+	"armv7-linux-androideabi",
+	# iOS
+	"aarch64-apple-ios",
+	"x86_64-apple-ios",
+	"aarch64-apple-ios-sim"
+	# 64bits RPI4
+	# "aarch64-unknown-linux-gnu",
+	# 32bits RPI4
+	# "armv7-unknown-linux-gnueabihf",
+]

shell.nix

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+# Cf: https://nixos.wiki/wiki/Rust
+
+# Variable and Imports definition
+let
+  # Import overlay to install specific Rust versions
+  rust_overlay = import (fetchTarball "https://github.com/oxalica/rust-overlay/archive/master.tar.gz");
+  # Import the 23.11 stable Nixpkgs library and apply the rust packages overlay
+  pkgs = import
+    (fetchTarball
+      "https://github.com/nixos/nixpkgs/tarball/nixos-23.11"
+    )
+    { overlays = [ rust_overlay ]; };
+  # After importing the nixpkgs and applying the rust overlay we can customize our rust installation
+  rust = (
+    # We use the toolchain and components defines in the `rust-toolchain.toml` file. This file needs to exist.
+    pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml
+  );
+in
+
+# Set all attributes of `pkgs` into our global scope
+with pkgs;
+
+# Create our shell environment
+mkShell rec {
+  # List all dependencies
+  nativeBuildInputs = with pkgs; [
+    cargo-apk
+    cargo-audit
+    cargo-binstall
+    cargo-cache
+    cargo-make
+    cargo-nextest
+    cargo-tarpaulin
+    cargo-udeps
+    cargo-xbuild
+    clang
+    lld
+    nixpkgs-fmt
+    pkg-config
+    rust
+    trunk
+    typos
+  ];
+  # List all necessary libraries
+  buildInputs = [
+    alsa-lib
+    libxkbcommon
+    udev
+    vulkan-loader
+    wayland # To use the wayland feature
+    xorg.libX11
+    xorg.libXcursor
+    xorg.libXi
+    xorg.libXrandr # To use the x11 feature
+  ];
+  LIBCLANG_PATH = "${libclang.lib}/lib";
+  RUST_SRC_PATH = "${rust}/lib/rustlib/src/rust/library";
+  # This is usually not recommended by the Nix community but is necessary for dynamic linking and quick iteration in Bevy builds
+  LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
+}