Type stubs for mypy (#1231)

* First attempt at stubs

* fix AuthenticatedUser.piy

* fix PullRequest.piy

* fix Authorization.piy

* fix Branch.piy

* fix Clones.piy

* fix Commit.piy

* fix CommitCombinedStatus.piy

* fix CommitComment.piy

* fix CommitStatus.piy

* fix ContentFile.piy

* fix Download.piy

* fix Event.piy

* fix File.piy

* fix Gist.piy

* fix GistComment.piy

* fix GistFile.piy

* fix GitAuthor.piy

* fix GitBlob.piy

* fix GitCommit.piy

* fix GitRef.piy

* fix GitRelease.piy

* renamed stubs into pyi files

* fix Notification

* fix Repository

* fix GitReleaseAsset

* fix GitTag

* fix GitTree

* fix GitTreeElement

* fix GithubException

* fix GithubObject

* fix GitignoreTemplate

* fix HookDescription

* fix HookResponse

* fix InputGitAuthor

* fix Installation

* fix InstallationAuthorization

* fix Invitation

* fix Issue

* fix IssueComment

* Fix random issues found while testing

* fix IssuePullRequest

* fix Label

* fix License

* fix Migration

* fix Milestone

* fix NamedUser

* fix NotificationSubject

* fix Organization

* fix PaginatedList

* fix Path

* fix Permissions

* fix Plan

* fix Project

* fix ProjectCard

* fix ProjectColumn

* fix PullRequestComment

* fix PullRequestMergeStatus

* fix PullRequestPart

* fix PullRequestReview

* fix Rate

* fix RateLimit

* fix Reaction

* fix Referrer

* fix RepositoryKey

* fix RequiredPullRequestReviews

* fix RequiredStatusChecks

* fix SourceImport

* fix Stargazer

* fix StatsCodeFrequency

* fix StatsCommitActivity

* fix StatsContributor

* fix Tag

* fix Team

* fix Topic

* fix UserKey

* fix MainClass

* fix Requester

* added stubs for View

* added stubs for Membership

* various syntax errors

* silence mypy noise

* keeping track of recent changes

* black + isort

Co-authored-by: Liuyang Wan <lwan@zendesk.com>

github/Repository.py

@@ -964,6 +964,16 @@ class Repository(github.GithubObject.CompletableGithubObject):
         """
         Convenience function that calls :meth:`Repository.create_git_tag` and
         :meth:`Repository.create_git_release`.
+        :param tag: string
+        :param tag_message: string
+        :param release_name: string
+        :param release_message: string
+        :param object: string
+        :param type: string
+        :param tagger: :class:github.InputGitAuthor.InputGitAuthor
+        :param draft: bool
+        :param prerelease: bool
+        :rtype: :class:`github.GitRelease.GitRelease`
         """
         self.create_git_tag(tag, tag_message, object, type, tagger)
         return self.create_git_release(
@@ -2992,7 +3002,7 @@ class Repository(github.GithubObject.CompletableGithubObject):
         :calls: `GET /legacy/issues/search/:owner/:repository/:state/:keyword <http://developer.github.com/v3/search/legacy>`_
         :param state: "open" or "closed"
         :param keyword: string
-        :rtype: :class:`github.PaginatedList.PaginatedList` of :class:`github.Issue.Issue`
+        :rtype: List of :class:`github.Issue.Issue`
         """
         assert state in ["open", "closed"], state
         assert isinstance(keyword, str), keyword