fix build problem

Author: DCFApixels

Editor/LazyNoteEditor.cs

@@ -1,4 +1,5 @@
-using UnityEditor;
+#if UNITY_EDITOR
+using UnityEditor;
 using UnityEngine;
 
 namespace DCFApixels.Notes.Editors
@@ -103,4 +104,5 @@ private static Texture2D CreateTexture(int width, int height, Color32 color32)
             return result;
         }
     }
-}
+}
+#endif

Editor/NoteEditor.cs

@@ -1,4 +1,5 @@
-using UnityEditor;
+#if UNITY_EDITOR
+using UnityEditor;
 using UnityEngine;
 
 namespace DCFApixels.Notes.Editors
@@ -207,4 +208,5 @@ private static Texture2D CreateTexture(int width, int height, Color32 color32)
             return result;
         }
     }
-}
+}
+#endif

Editor/NoteUtility.cs

@@ -1,4 +1,5 @@
-using System.Reflection;
+#if UNITY_EDITOR
+using System.Reflection;
 using UnityEditor;
 using UnityEngine;
 
@@ -76,3 +77,4 @@ internal static string GetSceneNote(string fullNote, bool isNeedSpacing)
         }
     }
 }
+#endif

Editor/NotesSettings.cs

@@ -1,3 +1,4 @@
+#if UNITY_EDITOR
 using System.Collections.Generic;
 using System.Linq;
 using UnityEditor;
@@ -116,4 +117,5 @@ public static class NotesSettingsExtensions
         public static bool IsDummy(this AuthorInfo self) => self == DUMMY_AUTHOR;
         public static bool IsDummy(this NoteTypeInfo self) => self == DUMMY_NOTE_TYPE;
     }
-}
+}
+#endif

Editor/NotesSettingsWindow.cs

@@ -1,10 +1,9 @@
-using System.Collections.Generic;
+#if UNITY_EDITOR
 using UnityEditor;
 using UnityEngine;
 
 namespace DCFApixels.Notes.Editors
 {
-    using static NotesConsts;
     internal class NotesSettingsWindow : EditorWindow
     {
         //[MenuItem("Window/" + AUTHOR + "/" + ASSET_SHORT_NAME + "/Settings")]
@@ -55,3 +54,4 @@ private void OnGUI()
         }
     }
 }
+#endif

Runtime/Note.cs

@@ -1,5 +1,7 @@
 #pragma warning disable CS0414
+#if UNITY_EDITOR
 using DCFApixels.Notes.Editors;
+#endif
 using UnityEngine;
 
 namespace DCFApixels.Notes