feat: Add HybridView protocols

packages/react-native-nitro-modules/android/src/main/java/com/margelo/nitro/core/HybridObject.kt

@@ -23,7 +23,7 @@ abstract class HybridObject: ExtendableHybridClass {
      *
      * @example
      * ```kotlin
-     * val memorySize: ULong
+     * override val memorySize: ULong
      *   get() {
      *     val imageSize = this.bitmap.bytesPerRow * this.bitmap.height
      *     return imageSize

packages/react-native-nitro-modules/android/src/main/java/com/margelo/nitro/views/HybridView.kt

@@ -0,0 +1,26 @@
+package com.margelo.nitro.views
+
+import android.view.View
+import androidx.annotation.Keep
+import com.facebook.jni.HybridData
+import com.facebook.proguard.annotations.DoNotStrip
+import com.margelo.nitro.core.HybridObject
+
+/**
+ * A base class for all Kotlin-based HybridViews.
+ */
+@Keep
+@DoNotStrip
+abstract class HybridView: HybridObject {
+    /**
+     * Get the view that this HybridView holds.
+     *
+     * @example
+     * ```kotlin
+     * override val view: View = ImageView()
+     * ```
+     */
+    @get:DoNotStrip
+    @get:Keep
+    abstract val view: View
+}

packages/react-native-nitro-modules/ios/views/HybridView.swift

@@ -0,0 +1,28 @@
+//
+//  HybridView.swift
+//  NitroModules
+//
+//  Created by Marc Rousavy on 23.07.24.
+//
+
+#if canImport(UIKit)
+
+import Foundation
+import UIKit
+
+/**
+ * A base protocol for all Swift-based Hybrid Views.
+ */
+public protocol HybridView: HybridObjectSpec {
+  /**
+   * Get the view that this HybridView holds.
+   *
+   * @example
+   * ```swift
+   * let view: UIView = UIImageView()
+   * ```
+   */
+  var view: UIView { get }
+}
+
+#endif