added API to connect to abstractapi.com in API Designer tool

abstractapi/get_abstractapi_company_enrich.xml

+<?xml version="1.0"?>
+<api>
+    <rest method="get">
+        
+        <url>https://companyenrichment.abstractapi.com/v1/</url> 
+        
+        <parameters>
+            <parameter name="api_key" value="$apps.$app.Accounts.abstract_apikey"></parameter>
+            <parameter name="domain" value="@domain"></parameter>
+        </parameters>
+        
+    </rest>
+</api>
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