Add PKCE, token-body extras, AuthURL templating to OAuth2 → Add settings structs for Pattern-2 connector providers

- Add PKCE, token-body extras, AuthURL templating to OAuth2
- Add 13 connector provider enum values
- Add scopes, display names, name resolvers for 13 providers
- Add settings structs for Pattern-2 connector providers

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/connector/registry.go

@@ -137,6 +137,22 @@ var (
 		"RESEND":           "https://api.resend.com/domains",
 		"ONE_PASSWORD":     "https://events.1password.com/api/v1/auditevents",
 		"MICROSOFT_365":    "https://graph.microsoft.com/v1.0/organization?$top=1",
+		"GITLAB":           "https://gitlab.com/api/v4/user",
+		"BITBUCKET":        "https://api.bitbucket.org/2.0/user",
+		"HEROKU":           "https://api.heroku.com/account",
+		"PAGERDUTY":        "https://api.pagerduty.com/users/me",
+		"ASANA":            "https://app.asana.com/api/1.0/users/me",
+		"SNYK":             "https://api.snyk.io/rest/self?version=2024-10-15",
+		"NETLIFY":          "https://api.netlify.com/api/v1/user",
+		"RAMP":             "https://api.ramp.com/developer/v1/business",
+		"CLICKUP":          "https://api.clickup.com/api/v2/user",
+		"VERCEL":           "https://api.vercel.com/v2/user",
+		// Monday's primary API is GraphQL POST, but the probe handler
+		// is GET-only. Use the OIDC userinfo endpoint as a GET probe
+		// that returns 200/401 with the same Bearer token.
+		"MONDAY": "https://auth.monday.com/oauth2/userinfo",
+		"LEVER":  "https://api.lever.co/v1/users?limit=1",
+		"DEEL":   "https://api.letsdeel.com/rest/v2/people?limit=1",
 	}
 )