Add api and core labels (#448)

* docs: fix header for getting started

* workflows: add api and core labels

.github/labeler.yml

@@ -1,9 +1,96 @@
 api:
   - api/*
 
+api/authmethods:
+  - api/authmethods/*
+
+api/authtokens:
+  - api/authtokens/*
+
+api/groups:
+  - api/groups/*
+
+api/hostcatalogs:
+  - api/hostcatalogs/*
+
+api/hosts:
+  - api/hosts/*
+
+api/hostsets:
+  - api/hostsets/*
+
+api/roles:
+  - api/roles/*
+
+api/scopes:
+  - api/scopes/*
+
+api/sessions:
+  - api/sessions/*
+
+api/targets:
+  - api/targets/*
+
+api/users:
+  - api/users/*
+
 core:
   - internal/*
 
+core/auth:
+  - internal/auth/*
+
+core/authtoken:
+  - internal/authtoken/*
+
+core/cmd:
+  - internal/cmd/*
+
+core/db:
+  - internal/db/*
+
+core/gen:
+  - internal/gen/*
+
+core/host:
+  - internal/host/*
+
+core/iam:
+  - internal/iam/*
+
+core/kms:
+  - internal/kms/*
+
+core/lib:
+  - internal/libs/*
+
+core/oplog:
+  - internal/oplog/*
+
+core/perms:
+  - internal/perms/*
+
+core/proto:
+  - internal/proto/*
+
+core/proxy:
+  - internal/proxy/*
+
+core/servers:
+  - internal/servers/*
+
+core/session:
+  - internal/session/*
+
+core/target:
+  - internal/target/*
+
+core/types:
+  - internal/types/*
+
+core/ui:
+  - internal/ui/*
+
 website:
   - website/*