chore: examples simple way

crate/bevy_controls/Cargo.toml

@@ -24,3 +24,8 @@ strum_macros = "0.25.3"
 
 [dev-dependencies]
 env_logger = "0.10.1"
+
+[[example]]
+name = "basic"
+path = "example/basic/src/main.rs"
+doc-scrape-examples = true

crate/bevy_controls/example/basic/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "basic"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

crate/bevy_controls/example/basic/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

flake.nix

@@ -0,0 +1,36 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+      };
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          overlays = [ (import rust-overlay) ];
+          pkgs = import nixpkgs {
+            inherit system overlays;
+          };
+          rustToolchain = (pkgs.pkgsBuildHost.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml);
+	  nativeBuildInputs = with pkgs; [ rustToolchain pkg-config ];
+          buildInputs = with pkgs; [ 
+	    openssl 
+	  ];
+        in
+        with pkgs;
+        {
+          devShells.default = mkShell {
+            inherit buildInputs nativeBuildInputs;
+          };
+        }
+      );
+
+}