feat: doc as integration (#2297)

This pull request updates the integration types and classes in the
codebase. It includes the following commits:

- Update logo_url field in brain entity and integration_brain entity

- Update integration references in BrainsUsers and IntegrationBrain
classes

- Revert "Update integration references in BrainsUsers and
IntegrationBrain classes"

- Revert "Update logo_url field in brain entity and integration_brain
entity"

- Add 'doc' integration type and KnowledgeBrainQA class

Please review and merge these changes.

backend/modules/brain/entity/integration_brain.py

@@ -8,6 +8,7 @@ from pydantic import BaseModel
 class IntegrationType(str, Enum):
     CUSTOM = "custom"
     SYNC = "sync"
+    DOC = "doc"
 
 
 class IntegrationDescriptionEntity(BaseModel):

backend/modules/chat/controller/chat/brainful_chat.py

@@ -40,6 +40,7 @@ integration_list = {
     "gpt4": GPT4Brain,
     "sql": SQLBrain,
     "big": BigBrain,
+    "doc": KnowledgeBrainQA,
 }
 
 brain_service = BrainService()

supabase/migrations/20240304223646_integrations-all.sql

@@ -0,0 +1,13 @@
+alter table "public"."integrations" alter column "integration_type" drop default;
+
+alter type "public"."integration_type" rename to "integration_type__old_version_to_be_dropped";
+
+create type "public"."integration_type" as enum ('custom', 'sync', 'doc');
+
+alter table "public"."integrations" alter column integration_type type "public"."integration_type" using integration_type::text::"public"."integration_type";
+
+alter table "public"."integrations" alter column "integration_type" set default 'custom'::integration_type;
+
+drop type "public"."integration_type__old_version_to_be_dropped";
+
+