use refresh token

[jyrkih]

Fixes issue #1, utilizes refresh token. Request for refreshing access token is authenticated, so refresh needs to happen while access token is valid. Thus 300 second grace period before token expiration.

[leeyuentuen]

@jyrkih can you fix them that can merge to dev branch?

[leeyuentuen]

on your local,

git remote add upstream leeyuentuen/polestar_api
git fetch upstream
git checkout dev
git merge upstream/dev

solve the conflict
and then

git commit the code

or
github said this

Step 1: From your project repository, check out a new branch and test the changes.

git checkout -b jyrkih-refresh-token dev
git pull [email protected]:jyrkih/polestar_api.git refresh-token
Step 2: Merge the changes and update on GitHub.

git checkout dev
git merge --no-ff jyrkih-refresh-token
git push origin dev