notes and framework for nix-shell env

src/notes.txt

@@ -0,0 +1,4 @@
+VERSION = "140.4.0esr"
+
+LINK = ftp.mozilla.org/pub/firefox/releases/$VERSION/source/firefox-$VERSION.source.tar.xz/
+// (add .asc for hash)

src/shell.nix

@@ -0,0 +1,13 @@
+{ pkgs ? import <nixpkgs> {} }:
+  pkgs.mkShell {
+    # nativeBuildInputs is usually what you want -- tools you need to run
+    nativeBuildInputs = with pkgs.buildPackages; [ 
+
+        ];
+    
+    shellHook = ''
+
+    
+
+    '';
+}