Initial Qt Creator and UI files

.gitignore is updated to ignore some things

.flake8

@@ -1,4 +1,4 @@
 [flake8]
-exclude = *.pyc,__pycache__,hwilib/devices/btchip/,hwilib/devices/ckcc/,hwilib/devices/trezorlib/,test/work/
+exclude = *.pyc,__pycache__,hwilib/devices/btchip/,hwilib/devices/ckcc/,hwilib/devices/trezorlib/,test/work/,hwilib/ui
 ignore = E261,E302,E305,E501,E722,W5
 per-file-ignores = setup.py:E122

.gitignore

@@ -7,3 +7,7 @@ test/emulator.img
 test/work
 pip-wheel-metadata
 .mypy_cache/
+
+# Qt stuff
+hwiqt.pyproject.user
+hwilib/ui/ui_*.py

hwilib/ui/hwiqt.pyproject

@@ -0,0 +1,3 @@
+{
+    "files": ["mainwindow.ui"]
+}

hwilib/ui/mainwindow.ui

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="verticalLayoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>19</x>
+      <y>29</y>
+      <width>751</width>
+      <height>531</height>
+     </rect>
+    </property>
+    <layout class="QVBoxLayout" name="verticalLayout"/>
+   </widget>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>