Update README: document English ASR and Russian summarization models

manifest v1.2: add navec_news + slovnet_ner for Default tier summarization

Add Navec quantized embeddings for Slovnet NER

Add Slovnet NER (WordCNN+CRF) for Russian PER/ORG/LOC extraction

manifest.json v1.1: add EN ASR models (Whisper base.en encoder/decoder/tokens)

Add English ASR model: whisper_base_en_tokens.txt

Add English ASR model: whisper_base_en_decoder_int8.onnx

Add English ASR model: whisper_base_en_encoder_int8.onnx

Add full attribution README for upstream models (GigaAM, 3D-Speaker)

Upload manifest.json with huggingface_hub

Upload speaker_embedding_v2.onnx with huggingface_hub

Upload speaker_embedding.onnx with huggingface_hub

Upload speaker_embedding_camplus.onnx with huggingface_hub

Upload gigaam_v3_e2e_ctc_int8.onnx with huggingface_hub

initial commit