fix naming, add workflow for configuration rule

src/package.xml

@@ -131,7 +131,7 @@
         <members>SBQQ__TemplateSection__c</members>
         <members>SBQQ__DiscountTier__c</members>
         <members>SBQQ__TermCondition__c</members>
-        <members>SBQQ__ConfigurationRules__c</members>
+        <members>SBQQ__ConfigurationRule__c</members>
         <name>Workflow</name>
     </types>
     <version>40.0</version>

src/workflows/SBQQ__ConfigurationRule__c.workflow

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workflow xmlns="http://soap.sforce.com/2006/04/metadata">
+    <fieldUpdates>
+        <fullName>Set_External_Id</fullName>
+        <description>Sets External Id to be the concatenation of the Org Id and the Record Id.</description>
+        <field>cpqma_ExternalId__c</field>
+        <formula>$Organization.Id + &apos;:&apos; + CASESAFEID(Id)</formula>
+        <name>Set External Id</name>
+        <notifyAssignee>false</notifyAssignee>
+        <operation>Formula</operation>
+        <protected>false</protected>
+    </fieldUpdates>
+    <rules>
+        <fullName>Set External Id</fullName>
+        <actions>
+            <name>Set_External_Id</name>
+            <type>FieldUpdate</type>
+        </actions>
+        <active>true</active>
+        <description>Sets External Id to be the concatenation of the Org Id and the Record Id.</description>
+        <formula>OR( ISBLANK(cpqma_ExternalId__c), AND(ISNEW(),ISCLONE()) )</formula>
+        <triggerType>onAllChanges</triggerType>
+    </rules>
+</Workflow>