normalize forms

app/auth/forms.py

app/corpora/forms.py

app/corpora/routes.py

app/services/forms.py

app/settings/forms.py

app/templates/_scripts.html.j2

app/templates/auth/register.html.j2

app/templates/auth/reset_password.html.j2

app/templates/corpora/add_corpus.html.j2

app/templates/corpora/add_corpus_file.html.j2

app/templates/corpora/corpus_file.html.j2

app/templates/corpora/import_corpus.html.j2

app/templates/services/file_setup_pipeline.html.j2

app/templates/services/spacy_nlp_pipeline.html.j2

app/templates/services/tesseract_ocr_pipeline.html.j2

app/templates/services/transkribus_htr_pipeline.html.j2

app/templates/settings/index.html.j2