switch hto monorepo structure

quickshell/Widgets/StyledTextMetrics.qml

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+import QtQuick
+import qs.Common
+import qs.Services
+
+TextMetrics {
+    property bool isMonospace: false
+
+    readonly property string resolvedFontFamily: {
+        const requestedFont = isMonospace ? SettingsData.monoFontFamily : SettingsData.fontFamily
+        const defaultFont = isMonospace ? SettingsData.defaultMonoFontFamily : SettingsData.defaultFontFamily
+
+        if (requestedFont === defaultFont) {
+            const availableFonts = Qt.fontFamilies()
+            if (!availableFonts.includes(requestedFont)) {
+                return isMonospace ? "Monospace" : "DejaVu Sans"
+            }
+        }
+        return requestedFont
+    }
+
+    font.pixelSize: Appearance.fontSize.normal
+    font.family: resolvedFontFamily
+    font.weight: SettingsData.fontWeight
+}