added 'add to path' instructions

AddToPath.md

@@ -0,0 +1,44 @@
+# Invoke `pgdiff` Anywhere
+
+## 1. Create and open a script directory.
+
+```bash
+mkdir ~/bash/ && cd ~/bash/
+```
+
+## 2. Clone the `pgdiff` repo into the directory
+
+```bash
+git clone https://github.com/denvaar/pgdiff.git
+```
+
+## 3. Copy the working directory
+
+```bash
+cd pgdiff && pwd
+```
+
+It will look something like this on a Mac:
+
+```bash
+/Users/USER/bash/pgdiff
+```
+
+## 4. Add directory to path
+
+
+```bash
+export PATH=$PATH:/paste/working/directory/bash/pgdiff
+```
+
+## 5. Confirm it works
+
+`cd` to another directory and invoke `pgdiff`
+
+```bash
+cd ~/ && pgdiff
+```
+
+## 6. ???
+
+## 7. Profit

pgdiffD

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+#!/bin/sh
+
+# If the path variable is set per the instructions, this script can be invoked with 
+# bash pgdiffD
+
+echo "Enter your DB URL"
+read -p "url: " -s url;
+
+echo ''
+
+pgdiff $url -d
+

pgdiffT

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+#!/bin/sh
+
+# If the path variable is set per the instructions, this script can be invoked with 
+# bash pgdiffT
+
+read -p "Enter your DB url" -s url;
+echo ""
+read -p "Enter the single table you want to monitor: " -e table
+
+echo ""
+pgdiff $url -t $table -k enter
+
+read -p "Press 'enter' to take the next snapshot"
+
+pgdiff $url -t $table
+
+read -p "press ctrl + c to keep the data, or press 'enter' to delete the data"
+
+pgdiff $url -d