Added Android development deployment

Deployments/android.nix

@@ -0,0 +1,23 @@
+# Configuration for my Android development requirements
+
+{ config, pkgs, ... }:
+
+{
+
+  nixpkgs.config = {
+    android_sdk.accept_license = true;   # Accept the Android SDK licence
+  };
+
+  programs.adb.enable = true;            # Enable Android Debug Bridge
+
+  # Install other packages that I require to be used with Android.
+  environment.systemPackages = with pkgs; [
+    gitRepo    # Android's repo management tool
+    heimdall   # Needed to work with Samsung devices
+  ];
+
+  users.groups.adbusers.members = [
+    "craige"
+  ];
+
+}