Organize project files

Put QML components into folders, remove unused ones, split __init__.py
with engine.py.

harmonyqml/components/pages/AddAccountPage.qml

@@ -0,0 +1,9 @@
+import QtQuick 2.7
+import "../base" as Base
+
+Rectangle {
+    Base.HLabel {
+        anchors.centerIn: parent
+        text: "Add account page"
+    }
+}

harmonyqml/components/pages/AddRoomPage.qml

@@ -0,0 +1,9 @@
+import QtQuick 2.7
+import "../base" as Base
+
+Rectangle {
+    Base.HLabel {
+        anchors.centerIn: parent
+        text: "Add room page"
+    }
+}

harmonyqml/components/pages/HomePage.qml

@@ -0,0 +1,9 @@
+import QtQuick 2.7
+import "../base" as Base
+
+Rectangle {
+    Base.HLabel {
+        anchors.centerIn: parent
+        text: "Home page"
+    }
+}

harmonyqml/components/pages/SettingsPage.qml

@@ -0,0 +1,9 @@
+import QtQuick 2.7
+import "../base" as Base
+
+Rectangle {
+    Base.HLabel {
+        anchors.centerIn: parent
+        text: "Settings page"
+    }
+}