Move stateCount scene builder into StoryboardBuilder

This is used so much it should be part of the builder class and not
need an import.

Author: bnorm

examples/basic/src/commonMain/kotlin/AnimationScene.kt

@@ -10,7 +10,6 @@ import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
 import dev.bnorm.storyboard.core.StoryboardBuilder
-import dev.bnorm.storyboard.core.scene
 import dev.bnorm.storyboard.easel.enter
 import dev.bnorm.storyboard.easel.exit
 import dev.bnorm.storyboard.easel.template.Header

examples/basic/src/commonMain/kotlin/NavigationScene.kt

@@ -8,7 +8,6 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import dev.bnorm.storyboard.core.StoryboardBuilder
-import dev.bnorm.storyboard.core.scene
 import dev.bnorm.storyboard.easel.notes.NotesTab
 import dev.bnorm.storyboard.easel.template.Body
 import dev.bnorm.storyboard.easel.template.Header

examples/interactive/src/commonMain/kotlin/AppScene.kt

@@ -13,7 +13,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import dev.bnorm.storyboard.core.StoryboardBuilder
 import dev.bnorm.storyboard.core.StoryboardState
-import dev.bnorm.storyboard.core.scene
 import dev.bnorm.storyboard.easel.EmbeddedStoryboard
 import dev.bnorm.storyboard.easel.template.Body
 import dev.bnorm.storyboard.easel.template.Header

examples/interactive/src/commonMain/kotlin/ButtonScene.kt

@@ -16,7 +16,6 @@ import androidx.compose.ui.input.pointer.PointerIcon
 import androidx.compose.ui.input.pointer.pointerHoverIcon
 import androidx.compose.ui.unit.dp
 import dev.bnorm.storyboard.core.StoryboardBuilder
-import dev.bnorm.storyboard.core.scene
 import dev.bnorm.storyboard.easel.template.Body
 import dev.bnorm.storyboard.easel.template.Header
 import dev.bnorm.storyboard.easel.template.RevealEach

examples/interactive/src/commonMain/kotlin/NextScene.kt

@@ -5,7 +5,6 @@ import androidx.compose.material.Text
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import dev.bnorm.storyboard.core.StoryboardBuilder
-import dev.bnorm.storyboard.core.scene
 
 fun StoryboardBuilder.NextScene() {
     scene {

examples/interactive/src/commonMain/kotlin/TextFieldScene.kt

@@ -11,7 +11,6 @@ import androidx.compose.material.TextField
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import dev.bnorm.storyboard.core.StoryboardBuilder
-import dev.bnorm.storyboard.core.scene
 import dev.bnorm.storyboard.easel.template.Body
 import dev.bnorm.storyboard.easel.template.Header
 import dev.bnorm.storyboard.easel.template.RevealEach

storyboard-core/src/commonMain/kotlin/dev/bnorm/storyboard/core/StoryboardBuilder.kt

@@ -20,6 +20,17 @@ sealed interface StoryboardBuilder {
         exitTransition: (AdvanceDirection) -> ExitTransition = DefaultExitTransition,
         content: SceneContent<T>,
     ): Scene<T>
+
+    @StoryboardBuilderDsl
+    fun scene(
+        stateCount: Int = 1,
+        enterTransition: (AdvanceDirection) -> EnterTransition = DefaultEnterTransition,
+        exitTransition: (AdvanceDirection) -> ExitTransition = DefaultExitTransition,
+        content: SceneContent<Int>,
+    ): Scene<Int> {
+        require(stateCount > 0) { "stateCount must be greater than 0" }
+        return scene((0..<stateCount).toList(), enterTransition, exitTransition, content)
+    }
 }
 
 @StoryboardBuilderDsl
@@ -32,17 +43,6 @@ fun <T> StoryboardBuilder.scene(
     return scene(states.asList(), enterTransition, exitTransition, content)
 }
 
-@StoryboardBuilderDsl
-fun StoryboardBuilder.scene(
-    stateCount: Int = 1,
-    enterTransition: (AdvanceDirection) -> EnterTransition = DefaultEnterTransition,
-    exitTransition: (AdvanceDirection) -> ExitTransition = DefaultExitTransition,
-    content: SceneContent<Int>,
-): Scene<Int> {
-    require(stateCount > 0) { "stateCount must be greater than 0" }
-    return scene((0..<stateCount).toList(), enterTransition, exitTransition, content)
-}
-
 @StoryboardBuilderDsl
 inline fun <reified T : Enum<T>> StoryboardBuilder.sceneForEnum(
     noinline enterTransition: (AdvanceDirection) -> EnterTransition = DefaultEnterTransition,