yuzu: Make hotkeys configurable via the GUI

* Adds a new Hotkeys tab in the Controls group.
* Double-click a Hotkey to rebind it.

src/yuzu/configuration/configure.ui

@@ -7,9 +7,15 @@
     <x>0</x>
     <y>0</y>
     <width>382</width>
-    <height>241</height>
+    <height>650</height>
    </rect>
   </property>
+  <property name="minimumSize">
+   <size>
+    <width>0</width>
+    <height>650</height>
+   </size>
+  </property>
   <property name="windowTitle">
    <string>yuzu Configuration</string>
   </property>
@@ -62,6 +68,11 @@
          <string>Input</string>
         </attribute>
        </widget>
+       <widget class="ConfigureHotkeys" name="hotkeysTab">
+        <attribute name="title">
+         <string>Hotkeys</string>
+        </attribute>
+       </widget>
        <widget class="ConfigureGraphics" name="graphicsTab">
         <attribute name="title">
          <string>Graphics</string>
@@ -150,6 +161,12 @@
    <header>configuration/configure_input_simple.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>ConfigureHotkeys</class>
+   <extends>QWidget</extends>
+   <header>configuration/configure_hotkeys.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections>