Added a message to explain UI upload feature

src/ui/qgssavetodbdialog.ui

@@ -17,13 +17,6 @@
    <bool>true</bool>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="5" column="1">
-    <widget class="QCheckBox" name="mUseAsDefault">
-     <property name="text">
-      <string>Use as default style for this layer</string>
-     </property>
-    </widget>
-   </item>
    <item row="1" column="0">
     <widget class="QLabel" name="descriptionLabel">
      <property name="text">
@@ -67,6 +60,13 @@
      </property>
     </widget>
    </item>
+   <item row="5" column="1">
+    <widget class="QCheckBox" name="mUseAsDefault">
+     <property name="text">
+      <string>Use as default style for this layer</string>
+     </property>
+    </widget>
+   </item>
    <item row="4" column="1">
     <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
@@ -91,6 +91,22 @@
      </item>
     </layout>
    </item>
+   <item row="2" column="0" rowspan="2" colspan="2">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Optionally pick an input form for attribute editing (QT Creator UI format), it will be stored on the db</string>
+     </property>
+     <property name="textFormat">
+      <enum>Qt::PlainText</enum>
+     </property>
+     <property name="scaledContents">
+      <bool>false</bool>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <layoutdefault spacing="6" margin="11"/>