Feat: Add knowledge compilation workflows (#16515)

## Summary
- Add knowledge compilation template APIs, services, and builtin
template seed data
- Add advanced knowledge compile structure/artifact/RAPTOR workflow
support
- Update parsing, dataset/document APIs, and supporting services for
compilation workflows

api/db/init_data/compilation_templates/empty.yaml

@@ -0,0 +1,17 @@
+kind: empty
+display_name: Empty
+config:
+  kind: empty
+  entity:
+    description: ''
+    fields:
+      - type: ''
+        description: ''
+        rule: ''
+  relation:
+    description: ''
+    fields:
+      - type: ''
+        description: ''
+        rule: ''
+  global_rules: ''