Support Jira

[Axosoft-Ashley]

Adds support for Jira

To create a new Jira app for local stack:

1. Go to https://developer.atlassian.com/console/myapps.
2. Click Create => OAuth 2.0 integration.
3. Name your application whatever you would like, and click agree.
4. Click on Permission
5. Click Add on User identity api, then click config and set scopes
6. Click Add on Jira API similar to step 5 and click config => click Granular scopes and add set scopes
7. Click on Authorization => configure on OAuth 2.0 (3LO)
8. Set your callback url to http://localhost:3000/v1/provider-tokens/callback.

goth.UseProviders(
jira.New(os.Getenv("JIRA_KEY"), os.Getenv("JIRA_SECRET"), "http://localhost:3000/auth/jira/callback"),
)