Make flake.nix whitespace consistent

Author: DanGould

flake.nix

@@ -19,7 +19,7 @@
         isDarwin = system == "x86_64-darwin" || system == "aarch64-darwin";
         optionalPackages = if isDarwin then [] else [ pkgs.firefox ];
         inputs = [
-	  rust
+          rust
           pkgs.rust-analyzer
           pkgs.openssl
           pkgs.zlib
@@ -29,11 +29,11 @@
           pkgs.wasm-pack
           pkgs.wasm-bindgen-cli
           pkgs.binaryen
-	  pkgs.clang
+          pkgs.clang
           pkgs.corepack_20
           pkgs.nodejs_20
           pkgs.geckodriver
-	] ++ optionalPackages; # add firefox only on non-darwin. darwin is listed in badPackages in pkgs.firefox's meta
+  ] ++ optionalPackages; # add firefox only on non-darwin. darwin is listed in badPackages in pkgs.firefox's meta
       in
       {
         defaultPackage = pkgs.rustPlatform.buildRustPackage {
@@ -48,14 +48,14 @@
 
 
         devShell = pkgs.mkShell {
-	  packages = inputs;
+          packages = inputs;
           shellHook = ''
-	    export LIBCLANG_PATH=${pkgs.libclang.lib}/lib/
+            export LIBCLANG_PATH=${pkgs.libclang.lib}/lib/
             export LD_LIBRARY_PATH=${pkgs.openssl}/lib:$LD_LIBRARY_PATH
             export CC_wasm32_unknown_unknown=${pkgs.llvmPackages_14.clang-unwrapped}/bin/clang-14
             export CFLAGS_wasm32_unknown_unknown="-I ${pkgs.llvmPackages_14.libclang.lib}/lib/clang/14.0.6/include/"
           '';
-	};
+        };
       }
     );
 }