feat(nix): Define initial nix dev shell

Author: SersemPeca

flake.lock

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = [ "x86_64-linux" ];
+      perSystem =
+        {
+          pkgs,
+          inputs',
+          self',
+          ...
+        }:
+        {
+
+          devShells.default = import ./shell.nix { inherit pkgs self' inputs'; };
+
+        };
+    };
+}

flake.nix

@@ -0,0 +1,32 @@
+{
+  pkgs,
+  self',
+  inputs',
+}:
+let
+  wasm-rust =
+    with inputs'.fenix.packages;
+    with latest;
+    combine [
+      cargo
+      rustc
+      llvm-tools
+      targets.wasm32-unknown-emscripten.latest.rust-std
+    ];
+in
+with pkgs;
+mkShell {
+
+  hardeningDisable = [ "all" ];
+
+  packages = [
+
+    cargo
+    wasm-rust
+    emscripten
+    binaryen
+    llvm
+    rust-analyzer
+  ];
+
+}