Initial pass of very very simple, lightweight health checks entrypoints.

+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- No copyright or license for configuration file, details here are not considered a creative work. -->
+<moqui-conf xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://moqui.org/xsd/moqui-conf-3.xsd">
+    <screen-facade>
+        <screen location="component://webroot/screen/webroot.xml">
+            <subscreens-item name="oci-healthchecks" menu-title="OCI - Healthchecks" menu-include="false"
+                    location="component://moqui-k8s/screen/MoquiOciHealthchecksRoot.xml"/>
+        </screen>
+    </screen-facade>
+</moqui-conf>

+<?xml version="1.0" encoding="UTF-8"?>
+<component
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:noNamespaceSchemaLocation="http://moqui.org/xsd/moqui-conf-3.xsd"
+ name="moqui-healthchecks"
+ version="0.0.0"/>

+<!--
+This software is in the public domain under CC0 1.0 Universal plus a 
+Grant of Patent License.
+
+To the extent possible under law, the author(s) have dedicated all
+copyright and related and neighboring rights to this software to the
+public domain worldwide. This software is distributed without any
+warranty.
+
+You should have received a copy of the CC0 Public Domain Dedication
+along with this software (see the LICENSE.md file). If not, see
+<http://creativecommons.org/publicdomain/zero/1.0/>.
+-->
+<screen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://moqui.org/xsd/xml-screen-3.xsd"
+        standalone="true"
+        require-authentication="false">
+    <transition name="ready">
+        <!-- ready probes mean is moqui running.  No further meaning is implied. -->
+        <actions>
+            <script>
+                def response = ec.web.response
+                response.setStatus(200)
+                response.writer.write('ok')
+            </script>
+        </actions>
+        <default-response type="none"/>
+    </transition>
+    <transition name="start">
+        <!-- start probes should check to see if all caches have been primed, etc. -->
+        <!-- this needs work; moqui startup already does a lot of pre-caching of things. -->
+        <actions>
+            <script>
+                def response = ec.web.response
+                response.setStatus(200)
+                response.writer.write('ok')
+            </script>
+        </actions>
+        <default-response type="none"/>
+    </transition>
+    <transition name="live">
+        <!-- this should be used to signal when moqui is busy -->
+        <actions>
+            <script>
+                def response = ec.web.response
+                response.setStatus(200)
+                response.writer.write('ok')
+            </script>
+        </actions>
+        <default-response type="none"/>
+    </transition>
+</screen>
+