add logo to sidebar

app.py

@@ -56,6 +56,8 @@ def annotate(text, st_analyze_results, st_entities):
 st.set_page_config(page_title='Student Name Detector (English)', layout='wide')
 
 # Side bar
+st.sidebar.image('logo.png')
+
 st.sidebar.markdown(
     '''Detect and anonymize PII in text using an [NLP model](https://huggingface.co/langdonholmes/en_student_name_detector) [trained](https://github.com/aialoe/deidentification-pipeline) on student-generated text collected from a massive online open-enrollment course.
 '''