Add library browser feature

.dockerignore

@@ -0,0 +1,38 @@
+# Version control
+.git
+.gitignore
+.github
+
+# Ignore Docker-related files (not needed in the image)
+Dockerfile
+.dockerignore
+
+# Ignore cache and temporary files. Logs for future use. 
+**/__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.log
+
+# Ignore virtual environments (if using venv)
+**/python_env/
+**/.venv/
+**/venv/
+**/env/
+**/ENV/
+
+# OfflineU specific
+.offlineu_progress.json
+data/
+courses/
+
+# Auto-generated templates (created at runtime if missing)
+# Leave commented if you modify templates
+# templates/
+
+# Harmless, but reduce image size. In the future, it may make more sense to put 
+# everything needed by the image in e.g., /app and modify the Dockerfile to copy from 
+# /app as opposed to blacklisting files in the repo one-by-one 
+LICENSE
+README.md
+images/