docs: Link scorecard badge to viewer #146

Job	Run time
static_analysis (at_backupkey_flutter)	1m 49s
static_analysis (at_chat_flutter)	1m 47s
static_analysis (at_common_flutter)	1m 31s
static_analysis (at_contacts_flutter)	1m 53s
static_analysis (at_contacts_group_flutter)	1m 38s
static_analysis (at_events_flutter)	1m 31s
static_analysis (at_follows_flutter)	1m 19s
static_analysis (at_invitation_flutter)	1m 24s
static_analysis (at_location_flutter)	1m 29s
static_analysis (at_login_flutter)	1m 31s
static_analysis (at_notify_flutter)	1m 31s
static_analysis (at_onboarding_flutter)	1m 21s
static_analysis (at_sync_ui_flutter)	1m 33s
static_analysis (at_theme_flutter)	1m 26s
	21m 43s

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