Feature/Custom Assistant Builder (#3631)

* add custom assistant builder

* add tools to custom assistant

* add save assistant button

packages/server/src/database/entities/Assistant.ts

@@ -1,6 +1,6 @@
 /* eslint-disable */
 import { Entity, Column, CreateDateColumn, UpdateDateColumn, PrimaryGeneratedColumn } from 'typeorm'
-import { IAssistant } from '../../Interface'
+import { AssistantType, IAssistant } from '../../Interface'
 
 @Entity()
 export class Assistant implements IAssistant {
@@ -16,6 +16,9 @@ export class Assistant implements IAssistant {
     @Column({ nullable: true })
     iconSrc?: string
 
+    @Column({ nullable: true, type: 'text' })
+    type?: AssistantType
+
     @Column({ type: 'timestamp' })
     @CreateDateColumn()
     createdDate: Date