fhem.pl: add attribute keyFileName, remove uniqueID (Forum #87741)

git-svn-id: https://svn.fhem.de/fhem/trunk@16744 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/docs/commandref_frame.html

@@ -1494,6 +1494,14 @@ The following local attributes are used by a wider range of devices:
         compression by default. Set httpcompress to 0 to disable this feature.
     </li><br>
 
+    <a name="keyFileName"></a>
+    <li>keyFileName<br>
+        FHEM modules store passwords and unique IDs in the file
+        FHEM/FhemUtils/uniqueID. In order to start multiple FHEM instances from
+        the same directory, you may set this attribute, whose value will
+        appended to FHEM/FhemUtils/
+    </li><br>
+
     <a name="logdir"></a>
     <li>logdir<br>
         If set, the %L attribute in the logfile attribute (or in the FileLog
@@ -1595,8 +1603,6 @@ The following local attributes are used by a wider range of devices:
 
     <li><a href="#title">title</a><br>
 
-    <li><a href="#fheminfo">uniqueID</a><br>
-
     <a name="useInet6"></a>
     <li>useInet6<br>
         try to use IPv6 in HttpUtils for communication. If the server does not