Add new repository link for MPU6050_VIBRATIONRMS (#7115)

Adding new library repository for MPU6050_VIBRATIONRMS.
This library provides vibration velocity RMS (mm/s) and peak frequency measurement using MPU6050 accelerometer.

Author: IFTAHULYUSRO

repositories.txt

@@ -8513,3 +8513,4 @@ https://github.com/vicharak-in/shrike_flash
 https://github.com/microbotsio/ProtoBot
 https://github.com/4project-co-il/PlugAndPlay
 https://github.com/geekfactory/GFLED
+https://github.com/IFTAHULYUSRO/MPU6050_VIBRATIONRMS