Add InvitationDialog
diff --git a/src/invitationdialog.ui b/src/invitationdialog.ui
new file mode 100644
index 0000000..b7d9367
--- /dev/null
+++ b/src/invitationdialog.ui
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>InvitationDialog</class>
+ <widget class="QDialog" name="InvitationDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>300</width>
+    <height>200</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QLabel" name="msgLabel">
+   <property name="geometry">
+    <rect>
+     <x>30</x>
+     <y>30</y>
+     <width>240</width>
+     <height>50</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>TextLabel</string>
+   </property>
+   <property name="alignment">
+    <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="chatroomLine">
+   <property name="geometry">
+    <rect>
+     <x>30</x>
+     <y>100</y>
+     <width>241</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <property name="readOnly">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="cancelButton">
+   <property name="geometry">
+    <rect>
+     <x>30</x>
+     <y>150</y>
+     <width>100</width>
+     <height>32</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Cancel</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="okButton">
+   <property name="geometry">
+    <rect>
+     <x>170</x>
+     <y>150</y>
+     <width>100</width>
+     <height>32</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>OK</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>