Add base files for extraction

Create dia-23-primeiro-projeto-etl.py

Create dia-22-trabalhando-com-json.py

Create dia-22-trabalhando-com-csv.py

Create dia-22-trabalhando-com-xml.py

Create dia-21-tabelas-wikipedia-F1.py

Create dia-21-web-scraping-bs4.py

Create dia-21-tabelas-com-imdb.py

Update dia-20-introducao-html.html

Create dia-20-introducao-html.html

Create dia-17-numpy-bidimensional.py

Create dia-16-numpy-unidimensional.py

Create dia-15-introducao-pandas.py

Create dia-19-http.py

Rename dia-8.py to dia-8-operadores-logicos.py