chore: move the go code into a subfolder

apps/api/internal/query/introspection_client_by_id.sql

@@ -0,0 +1,26 @@
+with config as (
+		select instance_id, app_id, client_id, client_secret, 'api' as app_type
+		from projections.apps7_api_configs
+		where instance_id = $1
+			and client_id = $2
+	union
+		select instance_id, app_id, client_id, client_secret, 'oidc' as app_type
+		from projections.apps7_oidc_configs
+		where instance_id = $1
+			and client_id = $2
+),
+keys as (
+	select identifier as client_id, json_object_agg(id, encode(public_key, 'base64')) as public_keys
+	from projections.authn_keys2
+	where $3 = true -- when argument is false, don't waste time on trying to query for keys.
+		and instance_id = $1
+		and identifier = $2
+		and expiration > current_timestamp
+	group by identifier
+)
+select config.app_id, config.client_id, config.client_secret, config.app_type, apps.project_id, apps.resource_owner, p.project_role_assertion, keys.public_keys
+from config
+join projections.apps7 apps on apps.id = config.app_id and apps.instance_id = config.instance_id and apps.state = 1
+join projections.projects4 p on p.id = apps.project_id and p.instance_id = $1 and p.state = 1
+join projections.orgs1 o on o.id = p.resource_owner and o.instance_id = config.instance_id and o.org_state = 1
+left join keys on keys.client_id = config.client_id;