added basic install file

install.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+NVM_TARGET="$HOME/.nvm"
+
+if [ -d "$NVM_TARGET" ]; then
+  echo "=> NVM is already installed in $NVM_TARGET, trying to update"
+  echo -ne "\r=> "
+  cd $NVM_TARGET && git pull
+  exit
+fi
+
+# Cloning to $NVM_TARGET
+git clone git://github.com/creationix/nvm.git $NVM_TARGET
+
+echo 
+
+# Detect profile file, .bash_profile has precedence over .profile
+if [ ! -z "$1" ]; then
+  PROFILE="$1"
+else
+  if [ -f "$HOME/.bash_profile" ]; then
+	PROFILE="$HOME/.bash_profile"
+  elif [ -f "$HOME/.profile" ]; then
+	PROFILE="$HOME/.profile"
+  fi
+fi
+
+SOURCE_STR='[[ -s "$HOME/.nvm/nvm.sh" ]] && . "$HOME/.nvm/nvm.sh"  # This loads NVM'
+
+if [ -z "$PROFILE" ] || [ ! -f "$PROFILE" ] ; then
+  if [ -z $PROFILE ]; then 
+	echo "=> Profile not found"
+  else
+	echo "=> Profile $PROFILE not found"
+  fi
+  echo "=> Append the following line to the correct file yourself"
+  echo
+  echo -e "\t$SOURCE_STR"
+  echo  
+  echo "=> Close and reopen your terminal to start using NVM"
+  exit
+fi
+
+if ! grep -qc 'nvm.sh' $PROFILE; then
+  echo "=> Appending source string to $PROFILE"
+  echo $SOURCE_STR >> "$PROFILE"
+else
+  echo "=> Source string already in $PROFILE"
+fi
+
+echo "=> Close and reopen your terminal to start using NVM"