[Browser] Add disclaimer to the main window

Add forgotten default Browser section in the client config

files/tes3mp/tes3mp-client-default.cfg

@@ -22,3 +22,12 @@ w = 390
 h = 250
 # How long a message will be displayed in hidden mode
 delay = 5.0
+
+[Browser]
+sortByColAscending = true
+maxLatency = 0
+gameMode =
+noPassword = false
+notFull = false
+sortByCol = 0
+withPlayers = false

files/tes3mp/ui/Main.ui

@@ -15,6 +15,16 @@
   </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QLabel" name="label_20">
+      <property name="text">
+       <string>TES3MP developers doesn't responsible for the behavior of players and/or server owners.</string>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignCenter</set>
+      </property>
+     </widget>
+    </item>
     <item>
      <widget class="QTabWidget" name="tabWidget">
       <property name="currentIndex">