Add open-all plugin

shared/build.gradle.kts

@@ -6,6 +6,7 @@ plugins {
     alias(libs.plugins.kotlinMultiplatform)
     alias(libs.plugins.androidLibrary)
     id("dev.mokkery") version "2.0.0"
+    kotlin("plugin.allopen") version "2.1.10"
 }
 
 kotlin {
@@ -49,3 +50,8 @@ android {
         targetCompatibility = JavaVersion.VERSION_1_8
     }
 }
+
+allOpen {
+    annotation("com.tle.astrologylibrary.OpenForMokkery")
+    // annotations("com.another.Annotation", "com.third.Annotation")
+}

shared/src/commonMain/kotlin/com/tle/astrologylibrary/OpenForMokkery.kt

@@ -0,0 +1,3 @@
+package com.tle.astrologylibrary
+
+annotation class OpenForMokkery()