Add usage disclaimer for modified module

Add disclaimer about module being a modified fork with no guarantees.

Author: pikepikeid

README.md

@@ -1,3 +1,6 @@
+**このモジュールは、元のリポジトリを独自に改変したものですので、動作保証はありません。自己責任でご利用ください。
+This module is an independently modified fork of the original repository. As such, operation is not guaranteed. Please use it at your own risk.**
+
 # VRCFTPicoModule
 
 [![GitHub Release](https://img.shields.io/github/v/release/lonelyicer/VRCFTPicoModule)](https://github.com/lonelyicer/VRCFTPicoModule/releases/)
@@ -47,4 +50,4 @@ To selectively disable eye or facial expression tracking, please follow these st
 ### 2.Create corresponding files:
    - Create `.disable_eye` to disable eye tracking
    - Create `.disable_expression` to disable facial expression tracking
-### 3.Restart the VRCFaceTracking for changes to take effect
+### 3.Restart the VRCFaceTracking for changes to take effect