Piper voices for Hindi language (Speaker Rohan)

Converted the onnx model from https://huggingface.co/rhasspy/piper-voices/tree/main/hi/hi_IN/rohan/medium and used the script https://github.com/CrispStrobe/CrispASR/blob/main/models/convert-piper-to-gguf.py

.gitattributes

@@ -44,3 +44,4 @@ piper-en_US-libritts_r-medium-f16.gguf filter=lfs diff=lfs merge=lfs -text
 piper-de_DE-eva_k-x_low-f16.gguf filter=lfs diff=lfs merge=lfs -text
 piper-de_DE-karlsson-low-f16.gguf filter=lfs diff=lfs merge=lfs -text
 piper-de_DE-ramona-low-f16.gguf filter=lfs diff=lfs merge=lfs -text
+hi_IN-rohan-medium.gguf filter=lfs diff=lfs merge=lfs -text

hi_IN-rohan-medium.gguf

@@ -0,0 +1,3 @@
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+size 31418528