feat: PySide6 dev environment with runnable examplesHEADmain

Flake devShell (PySide6 6.11 on Python 3.13, designer, uic/rcc from
qtbase libexec, offline docs) plus hello_widgets and hello_quick
examples. QML_IMPORT_PATH exported — nixpkgs PySide6 finds platform
plugins on its own but not QML imports; see README.

1 files changed, 26 insertions, 0 deletions

diff --git a/examples/Main.qml b/examples/Main.qml
new file mode 100644
index 0000000..ed85a81
--- /dev/null
+++ b/examples/Main.qml
@@ -0,0 +1,26 @@
+import QtQuick
+import QtQuick.Controls
+
+ApplicationWindow {
+    visible: true
+    width: 320
+    height: 200
+    title: "Hello PySide6 Quick"
+
+    property int count: 0
+
+    Column {
+        anchors.centerIn: parent
+        spacing: 12
+
+        Text {
+            text: "Clics : " + count
+            anchors.horizontalCenter: parent.horizontalCenter
+        }
+
+        Button {
+            text: "Cliquer"
+            onClicked: count++
+        }
+    }
+}