Add simple implementation of Grid

Author: valeriyvan

Sources/SwiftCrossUI/Views/Grid.swift

@@ -0,0 +1,45 @@
+/// A view that arranges subviews in a flexible grid layout.
+public struct Grid<Content: View>: View {
+    let alignment: Alignment
+    let horizontalSpacing: Int?
+    let verticalSpacing: Int?
+    let content: () -> Content
+
+    public init(
+        alignment: Alignment = .center,
+        horizontalSpacing: Int? = nil,
+        verticalSpacing: Int? = nil,
+        @ViewBuilder content: @escaping () -> Content
+    ) {
+        self.alignment = alignment
+        self.horizontalSpacing = horizontalSpacing
+        self.verticalSpacing = verticalSpacing
+        self.content = content
+    }
+
+    public var body: some View {
+        VStack(alignment: .leading, spacing: verticalSpacing) {
+            content()
+        }
+    }
+}
+
+/// A single row within a Grid.
+public struct GridRow<Content: View>: View {
+    let alignment: VerticalAlignment
+    let content: () -> Content
+
+    public init(
+        alignment: VerticalAlignment = .center,
+        @ViewBuilder content: @escaping () -> Content
+    ) {
+        self.alignment = alignment
+        self.content = content
+    }
+
+    public var body: some View {
+        HStack(alignment: alignment) {
+            content()
+        }
+    }
+}