Fix http link in readme.md and bump the pub.dev score 5 pts please

[neiljaywarner]

graphql-flutter/README.md

Line 132 in 2e39e66

[prs-link]: http://makeapullrequest.com

(the PRs badge)
https://makeapullrequest.com/ still works

[vincenzopalazzo]

I think this required clarification to me.

What is wrong with the https://makeapullrequest.com/ and what are the pub score that is old in the Readme?

[neiljaywarner]

The s is missing. Basically project looks great except pub.dev score a bit low. That's a quick way to gain 5 points ....sent from my phone

…

On Wed, Jan 12, 2022, 3:04 AM Vincenzo Palazzo ***@***.***> wrote: I think this required clarification to me. What is wrong with the https://makeapullrequest.com/ and what are the pub score that is old in the Readme? — Reply to this email directly, view it on GitHub <#1007 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAXBGYJBLC7MGZGEWNFGNOTUVU7Z7ANCNFSM5LXMFLEA> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>. You are receiving this because you authored the thread.Message ID: ***@***.***>

[vincenzopalazzo]

We should be close to the maximum point https://pub.dev/packages/graphql_flutter/versions/5.0.1-beta.5/score, and this PR should improve too #1021