added links to lms_course and lms_batch dooctypes.

This makes it possible to the number of batches for a course, the number
of mentors for a course etc.

community/lms/doctype/lms_batch/lms_batch.json

@@ -110,8 +110,14 @@
   }
  ],
  "index_web_pages_for_search": 1,
- "links": [],
- "modified": "2021-04-21 10:21:23.183399",
+ "links": [
+  {
+   "group": "Members",
+   "link_doctype": "LMS Batch Membership",
+   "link_fieldname": "batch"
+  }
+ ],
+ "modified": "2021-04-21 12:45:21.144972",
  "modified_by": "Administrator",
  "module": "LMS",
  "name": "LMS Batch",

community/lms/doctype/lms_course/lms_course.json

@@ -72,8 +72,24 @@
  ],
  "index_web_pages_for_search": 1,
  "is_published_field": "is_published",
- "links": [],
- "modified": "2021-04-15 10:09:25.608422",
+ "links": [
+  {
+   "group": "Topics",
+   "link_doctype": "LMS Topic",
+   "link_fieldname": "course"
+  },
+  {
+   "group": "Batches",
+   "link_doctype": "LMS Batch",
+   "link_fieldname": "course"
+  },
+  {
+   "group": "Mentors",
+   "link_doctype": "LMS Course Mentor Mapping",
+   "link_fieldname": "course"
+  }
+ ],
+ "modified": "2021-04-21 14:45:41.658056",
  "modified_by": "Administrator",
  "module": "LMS",
  "name": "LMS Course",