Editorial Issue: "Introduction": uses->use, stores->store

[Takahiko Kawasaki]

In "Introduction" section:

"Fintech services such as aggregation services uses screen scraping and stores user passwords."

should be changed to

"Fintech services such as aggregation services use screen scraping and store user passwords."

[Edmund Jay]

fixes #55 - Editorial Issue: "Introduction": uses->use, stores->store

→ <<cset 21114589621d>>