Add Coqui SpeedySpeech LJSpeech F32 GGUF

Converted from Coqui tts_models/en/ljspeech/speedy-speech and vocoder_models/en/ljspeech/hifigan_v2 for the native audio.cpp community model implementation.

.gitattributes

@@ -71,3 +71,4 @@ Chatterbox-Turbo-GGUF/chatterbox-turbo-q8_0.gguf filter=lfs diff=lfs merge=lfs -
 Irodori-TTS-v4-Small-GGUF/irodori-tts-v4.1-anime-q8_0.gguf filter=lfs diff=lfs merge=lfs -text
 Kokoro-82M-GGUF/kokoro-82m-bf16.gguf filter=lfs diff=lfs merge=lfs -text
 Kokoro-82M-GGUF/kokoro-82m-q8_0.gguf filter=lfs diff=lfs merge=lfs -text
+Coqui-SpeedySpeech-LJSpeech-GGUF/coqui-speedy-speech-ljspeech-f32.gguf filter=lfs diff=lfs merge=lfs -text

Coqui-SpeedySpeech-LJSpeech-GGUF/coqui-speedy-speech-ljspeech-f32.gguf

@@ -0,0 +1,3 @@
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+size 21682816