Link and embed resources (#294)

* Link and embed resources

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Remove external resource; probably deal with this in another ticket if needed

* Fix a typo

* Fix a typo

* Fix yamllint error

* Remove a line

* Fix yamllint error

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ocw-www/ocw-studio.yaml

@@ -81,7 +81,23 @@ collections:
 
       - label: Description
         name: description
+        widget: text
+        help: The plain text description of the list as seen by search engines
+
+      - label: Body
+        name: body
         widget: markdown
+        minimal: false
+        allowed_html:
+          - sub
+          - sup
+        link:
+          - course_collections
+          - resource_collections
+          - resource
+          - page
+        embed:
+          - resource
 
       - label: Courses
         name: courses
@@ -103,9 +119,25 @@ collections:
         widget: string
         required: true
 
-      - label: "Description"
-        name: "description"
-        widget: "markdown"
+      - label: Description
+        name: description
+        widget: text
+        help: The plain text description of collection as seen by search engines
+
+      - label: Body
+        name: body
+        widget: markdown
+        minimal: false
+        allowed_html:
+          - sub
+          - sup
+        link:
+          - course_collections
+          - resource_collections
+          - resource
+          - page
+        embed:
+          - resource
 
       - label: Cover Image
         name: cover-image