Add back the last relevant versions of the export plugin with the old coordinates. (#217)

Author: miq

grails-plugins/io/github/gpc/grails-export.yml

@@ -15,3 +15,13 @@ labels:
 licenses:
   - Apache-2.0
 versions:
+  - version: 2.0.0
+    date: 2021-04-27T23:36:33Z
+    grailsVersion: 3.0.1 > *
+    coords: org.grails.plugins:export
+    maven-repo: https://repo.grails.org/plugins
+  - version: '1.6'
+    date: 2014-05-14T16:46:05Z
+    grailsVersion: 1.3 > *
+    coords: org.grails.plugins:export
+    maven-repo: https://repo.grails.org/plugins