added requirements.txt

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

requirements.txt

+beautifulsoup4==4.11.1
+certifi==2022.6.15
+charset-normalizer==2.1.0
+idna==3.3
+requests==2.28.1
+soupsieve==2.3.2.post1
+urllib3==1.26.10