feat: play word by word with the correct TTS pronunciation

feat: underline the single selected while reproducing it

feat: rename some labels

feat: remove the button for splitting the recorded student audio, refactored interface

feat: handle example selection and input change by resetting audio and text outputs

doc: update the introductory text within the app

feat: limit the number of recognized words that can be selected

test: update test cases for lambdaSpeechToScore.get_speech_to_score_tuple because of a new variable in the return tuple

feat: initial support for split and reproduce single recorded words

doc: update README.md adding stats about mutation tests

add function to load audio files with soundfile

test: fix commented class

test: add more test cases

test: start refactor tests based on mutation tests from cosmic-ray

test: add missing test_de.wav, test_en.wav as lfs files

fix: add missing colon

test: update e2e playwright test

feat: update driver.js guided tour

feat: first working driver.js guided tour

docs: updated README.md

feat: exec an alert with an error message in case of missing TTS voices

feat: add error message in case of missing TTS voice for the selected language

feat: move the js js_play_audio function to js.py, update README.md

feat: added text-to-speech in browser, updated e2e playwright test cases

test: add more e2e test cases

ci: track *.wav files with lfs

test: update playwright package, add e2e tests (english rec) for gradio app

docs: udpate README.md

feat: don't show the label for the speech accuracy output

style: improve speech-output style using a custom css

feat: make score de/en components not interactive, fix some typos

feat: save/load the number_score_de and number_score_en components values within the local storage

feat: rename some gradio components, fix some grammar typos

test: updated tests to match pronunciation_accuracy float return type

feat: add score DE and EN components

feat: add global score component by language

refactor: read the app description from app_description.md

feat: get the sample_rate value from and env variable

feat: refactor app.py to add a clear button for the audio TTS component; now a new random phrase clear the tts and stt audio components

test: refactor and update test cases for dataset and get_random_selection() function

feat: update the example section, add a random choice for the phrase

feat: prepare a separate function to get a rendom phrase from the phrase dataset

feat: add examples

test: update tests

chore: bson dependency

test: add/update tests

ci: add missing requirements-gradio.txt (requirements.txt should not contain it because of the huggingface pipeline)

feat: refactor get_tts, get_speech_to_score_dict to raise immediatly errors in case of empty text/language/audio inputs

feat: changed default sample rate to 24000 for both german and english tts models

docs: update README.md