Added a very basic README.md

Author: jongpie

README.md

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+# Apex GUID
+<a href="https://githubsfdeploy.herokuapp.com?owner=jongpie&repo=apexguid">
+  <img alt="Deploy to Salesforce"
+       src="https://raw.githubusercontent.com/afawcett/githubsfdeploy/master/src/main/webapp/resources/img/deploy.png">
+</a>
+## Issue
+Often times, we need be able to refer to related records before they have been inserted. Salesforce does not provide a way to generate a unique ID in Apex, such as as GUID/UUID. This repo aims to solve that.
+
+## Goal
+* Create a solution that allows developers to generate a unique ID in code that can be used as an external ID text field
+
+## Implementation
+--Coming soon--
+
+### Example Implementation: --Coming soon--
+