Move scripts or whatever in new default folders

AssetsDistributor.cs

using System.Collections.Generic;
using System.IO;
using System.Linq;
using UnityEditor;
using UnityEngine;

/// Thanks @JoshuaMcKenzie for idea http://answers.unity.com/answers/1213863/view.html
public class AssetsDistributor : UnityEditor.AssetModificationProcessor
{
    //only evaluate files imported into these paths
    static string[] pathsToMoveFrom = new string[]
    {
        "Assets"
    };

    static Dictionary<string, string> defaultFileLocationByExtension = new Dictionary<string, string>()
    {
        // {".mp4",   "Assets/StreamingAssets/"},//for IOS, movies need to be in StreamingAssets

        // {".anim",   "Assets/Art/Animations/"},
        // {".mat",    "Assets/Art/Materials/"},
        // {".fbx",    "Assets/Art/Meshes/"},

        // //Images has subfolders for Textures, Maps, Sprites, etc.
        // // up to the user to properly sort the images folder
        // {".bmp",    "Assets/Art/Images/"},
        // {".png",    "Assets/Art/Images/"},
        // {".jpg",    "Assets/Art/Images/"},
        // {".jpeg",   "Assets/Art/Images/"},
        // {".psd",    "Assets/Art/Images/"},

        // {".mixer",    "Assets/Audio/Mixers/"},
        // //like images, there are sub folders that the user must manage
        // {".wav",    "Assets/Audio/Sources/"}, 
        //like images, there are sub folders that the user must manage
        {".cs",     "Assets/Game/Scripts/"},
        // {".shader", "Assets/Dev/Shaders/"},
        // {".cginc",  "Assets/Dev/Shaders/"}
    };

    [MenuItem("Tools/Nrjwolf/Default Folder Changer/Force")]
    static void ForceMove()
    {
        foreach (var path in pathsToMoveFrom)
        {
            var filesInPath = Directory.GetFiles(Path.Combine(Application.dataPath.Replace("/Assets", string.Empty), path));
            foreach (var p in filesInPath)
            {
                TryMoveAssets(p);
            }
        }
    }

    private static void TryMoveAssets(string assetPath)
    {
        assetPath = assetPath.Replace(".meta", string.Empty);

        // Is folder dirrectory valid
        string directory = Path.GetFileName(Path.GetDirectoryName(assetPath));
        if (!pathsToMoveFrom.Contains(directory))
            return;

        // Ss extension valid
        string extension = Path.GetExtension(assetPath).ToLower();
        if (!defaultFileLocationByExtension.ContainsKey(extension))
            return;

        string filename = Path.GetFileName(assetPath);
        string oldPath = GetPathWithNewRoot(assetPath, "Assets"); // convert to lacal path
        string newPath = defaultFileLocationByExtension[extension] + filename;

        var moveAssetStatus = AssetDatabase.MoveAsset(oldPath, newPath);

        if (string.IsNullOrEmpty(moveAssetStatus))
        {
            AssetDatabase.Refresh();
            Debug.Log($"Moving asset {oldPath} to path {newPath} with status : {moveAssetStatus}");
        }
    }

    private static string GetPathWithNewRoot(string fullPath, string rootFolder)
    {
        var intLength = fullPath.Length;
        var intLocation = fullPath.IndexOf(rootFolder);
        return fullPath.Substring(intLocation, intLength - intLocation);
    }
}