Add types-beautifulsoup4 for mypy

dev-requirements.txt

@@ -175,6 +175,10 @@ toolz==0.12.0
     # via altair
 tornado==6.3.3
     # via streamlit
+types-beautifulsoup4==4.12.0.6
+    # via YFDashboard (pyproject.toml)
+types-html5lib==1.1.11.15
+    # via types-beautifulsoup4
 types-pytz==2023.3.0.1
     # via pandas-stubs
 types-requests==2.31.0.2

pyproject.toml

@@ -24,6 +24,7 @@ dev = [
     "mypy",
     "pytest",
     "pandas-stubs",
+    "types-beautifulsoup4",
     "types-requests",
     ]