Add Atlassian as a supported provider. (#167)

arcade/arcade/core/auth.py

@@ -29,6 +29,12 @@ class OAuth2(ToolAuthorization):
     """The scope(s) needed for the authorized action."""
 
 
+class Atlassian(OAuth2):
+    """Marks a tool as requiring Atlassian authorization."""
+
+    provider_id: str = "atlassian"
+
+
 class Discord(OAuth2):
     """Marks a tool as requiring Discord authorization."""
 

arcade/arcade/sdk/auth/__init__.py

@@ -1,4 +1,5 @@
 from arcade.core.auth import (
+    Atlassian,
     Discord,
     Dropbox,
     GitHub,
@@ -13,6 +14,7 @@ from arcade.core.auth import (
 )
 
 __all__ = [
+    "Atlassian",
     "Discord",
     "Dropbox",
     "GitHub",