Make dotfiles compatible with gitpod style dotfiles

Add an install.sh that attempts to determine the OS, install stow and
then call my apply-dotfiles script to use stow.

The old installation process that was based on nix, has been moved to
nix-install.

install.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+echo "CURRENT LOCATION: $PWD"
+
+echo "Installing dotfiles..."
+if [ -f /etc/os-release ]; then
+  echo "Idenitfying OS to install GNU stow..."
+  if grep -q -i debian /etc/os-release; then
+    echo "You've got Debian!";
+    sudo apt update;
+    sudo apt install -y stow;
+  elif grep -q -i rhel /etc/os-release || grep -q -i fedora /etc/os-release; then
+    echo "You've got RedHat (or maybe Fedora)! Which is unsupported right now sorry!";
+    # sudo yum install -y stow;
+    # sudo yum clean all;
+    exit 1
+  elif grep -q -i alpine /etc/os-release; then
+    echo "You've got Alpine! Which is unsupported right now sorry!";
+    exit 1;
+    # apk add --no-cache jq curl;
+  else
+    echo "ERROR: Unable to identify OS!" 1>&2;
+    exit 1;
+  fi;
+else
+  echo "ERROR: Unable to find '/etc/os-release' information!" 1>&2;
+  exit 1;
+fi
+
+# Apply the dotfiles with stow
+echo "RUNNING APPLY DOTFILES"
+./apply-dotfiles
+echo "RAN APPLY DOTFILES"