docs: reformat documentation

docs: add a little bit of change

chore(license): add license field

docs: add a command to install dependencies

refactor: use generated graphql code for mapping types

refactor: remove the manually declared type definition for todo

refactor: map types

chore: add notes

chore: remove the mock sample to-do list

refactor: add useQuery to fetch get my to-do list

refactor(gql): add getMyTodos query

fix(gql): fix a typo

chore(script): add a script to generate graphql code

refactor(gql): add graphql code generator

chore(deps): add graphql code generator