Resolve "Allow creating an I2C address"

Closes #3 (closed)

fpga_device_manager/res/ui/main.ui

@@ -159,7 +159,7 @@
                  <enum>QFrame::Sunken</enum>
                 </property>
                </widget>
-              </item>#
+              </item>
               <item row="0" column="0">
                <widget class="QFrame" name="fr_reserved">
                 <property name="minimumSize">
@@ -226,7 +226,7 @@
                  <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
                 </property>
                </widget>
-              </item>#
+              </item>
               <item row="2" column="4">
                <widget class="QLabel" name="label_4">
                 <property name="text">
@@ -240,7 +240,7 @@
                  <string>Available (no PWM support)</string>
                 </property>
                </widget>
-              </item>#
+              </item>
               <item row="2" column="0">
                <widget class="QFrame" name="fr_inputs">
                 <property name="minimumSize">
@@ -350,7 +350,7 @@
       <item>
        <widget class="QTabWidget" name="tabs">
         <property name="currentIndex">
-         <number>0</number>
+         <number>2</number>
         </property>
         <widget class="DeviceListWidget" name="tab_devices">
          <attribute name="title">
@@ -362,6 +362,62 @@
           <string>Sensors</string>
          </attribute>
         </widget>
+        <widget class="QWidget" name="tab_addr">
+         <attribute name="title">
+          <string>Device Address</string>
+         </attribute>
+         <widget class="QWidget" name="verticalLayoutWidget">
+          <property name="geometry">
+           <rect>
+            <x>10</x>
+            <y>10</y>
+            <width>351</width>
+            <height>521</height>
+           </rect>
+          </property>
+          <layout class="QVBoxLayout" name="verticalLayout_3">
+           <item>
+            <widget class="QLabel" name="label_7">
+             <property name="text">
+              <string>FPGA-Board I2C-Address</string>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QSpinBox" name="device_address">
+             <property name="toolTip">
+              <string>Please enter a valid number between 8 and 119.</string>
+             </property>
+             <property name="minimum">
+              <number>8</number>
+             </property>
+             <property name="maximum">
+              <number>119</number>
+             </property>
+             <property name="singleStep">
+              <number>1</number>
+             </property>
+             <property name="value">
+              <number>50</number>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <spacer name="verticalSpacer_2">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+          </layout>
+         </widget>
+        </widget>
        </widget>
       </item>
       <item>