allow changing github oauth org and teams

Signed-off-by: Jakub Sokołowski <jakub@status.im>

README.md

@@ -20,6 +20,8 @@ You should also configure OAuth:
 ```yaml
 grafana_oauth_id: '123qwe123qwe123'
 grafana_oauth_secret: 'qweasdqweasdqweasdqweasd
+grafana_oauth_gh_org: 'evil-corp'
+grafana_oauth_gh_team_ids: [ 1234, 5678 ]
 ```
 Optional email configuration might be useful:
 ```yaml

defaults/main.yml

@@ -23,6 +23,8 @@ grafana_password: ~
 # OAuth secrets
 grafana_oauth_id: ~
 grafana_oauth_secret: ~
+grafana_oauth_gh_org: 'status-im'
+grafana_oauth_gh_team_ids: []
 
 # SMTP for invite emails
 grafana_smtp_enabled: false

templates/grafana.ini.j2

@@ -51,4 +51,7 @@ token_url = https://github.com/login/oauth/access_token
 api_url = https://api.github.com/user
 allow_sign_up = true
 # space-delimited organization names
-allowed_organizations = status-im
+allowed_organizations = {{ grafana_oauth_gh_org }}
+{% if (grafana_oauth_gh_team_ids | length) > 0 %}
+team_ids = {{ grafana_oauth_gh_team_ids | join(",") }}
+{% endif %}