feat: add direct templates links (#1165)

## Description

Direct templates links is a feature that provides template owners the
ability to allow users to create documents based of their templates.

## General outline

This works by allowing the template owner to configure a "direct
recipient" in the template.

When a user opens the direct link to the template, it will create a flow
where they sign the fields configured by the template owner for the
direct recipient. After these fields are signed the following will
occur:

- A document will be created where the owner is the template owner
- The direct recipient fields will be signed
- The document will be sent to any other recipients configured in the
template
- If there are none the document will be immediately completed

## Notes

There's a custom prisma migration to migrate all documents to have
'DOCUMENT' as the source, then sets the column to required.

---------

Co-authored-by: Lucas Smith <me@lucasjamessmith.me>

packages/lib/types/document-audit-logs.ts

@@ -6,7 +6,7 @@
 /////////////////////////////////////////////////////////////////////////////////////////////
 import { z } from 'zod';
 
-import { FieldType } from '@documenso/prisma/client';
+import { DocumentSource, FieldType } from '@documenso/prisma/client';
 
 import { ZRecipientActionAuthTypesSchema } from './document-auth';
 
@@ -192,6 +192,22 @@ export const ZDocumentAuditLogEventDocumentCreatedSchema = z.object({
   type: z.literal(DOCUMENT_AUDIT_LOG_TYPE.DOCUMENT_CREATED),
   data: z.object({
     title: z.string(),
+    source: z
+      .union([
+        z.object({
+          type: z.literal(DocumentSource.DOCUMENT),
+        }),
+        z.object({
+          type: z.literal(DocumentSource.TEMPLATE),
+          templateId: z.number(),
+        }),
+        z.object({
+          type: z.literal(DocumentSource.TEMPLATE_DIRECT_LINK),
+          templateId: z.number(),
+          directRecipientEmail: z.string().email(),
+        }),
+      ])
+      .optional(),
   }),
 });