Add missing example dbProperties.generated for 3.5

Author: Simran-B

3.5/generated/Examples/dbProperties.generated

@@ -0,0 +1,7 @@
+arangosh&gt; <span class="hljs-built_in">require</span>(<span class="hljs-string">"@arangodb"</span>).db._queryProperties();
+{ 
+  <span class="hljs-string">"name"</span> : <span class="hljs-string">"_system"</span>, 
+  <span class="hljs-string">"id"</span> : <span class="hljs-string">"1"</span>, 
+  <span class="hljs-string">"path"</span> : <span class="hljs-string">"/tmp/arangosh_iOjill/rocksdb-clusterOrNot/data"</span>, 
+  <span class="hljs-string">"isSystem"</span> : <span class="hljs-literal">true</span> 
+}