Add support for GigaAM-CTC-v2 (#2135)

Related to #2098.

scripts/nemo/GigaAM/run-ctc-v2.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -ex
+
+function install_gigaam() {
+  curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+  python3 get-pip.py
+
+  BRANCH='main'
+  python3 -m pip install git+https://github.com/salute-developers/GigaAM.git@$BRANCH#egg=gigaam
+
+  python3 -m pip install -qq kaldi-native-fbank
+}
+
+function download_files() {
+  curl -SL -O https://huggingface.co/csukuangfj/tmp-files/resolve/main/GigaAM/example.wav
+  curl -SL -O https://github.com/salute-developers/GigaAM/blob/main/LICENSE
+}
+
+install_gigaam
+download_files
+
+python3 ./export-onnx-ctc-v2.py
+ls -lh
+python3 ./test-onnx-ctc.py