First cut at the course doctype.

- Added "Community Course" doctype
- Added Form Scripts to set the route on first save
- Customized row and view templates

Yet to figure out how to entire course listing page.

community/community/doctype/community_course/community_course.js

@@ -0,0 +1,10 @@
+// Copyright (c) 2021, Frappe and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Community Course', {
+	before_submit: function (form) {
+		if (!form.doc.route) {
+			form.doc.route = "/courses/" + form.doc.name
+		}
+	}
+});

community/community/doctype/community_course/community_course.json

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+{
+ "actions": [],
+ "allow_guest_to_view": 1,
+ "allow_rename": 1,
+ "autoname": "field:title",
+ "creation": "2021-03-01 16:49:33.622422",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "title",
+  "description",
+  "route",
+  "is_published"
+ ],
+ "fields": [
+  {
+   "fieldname": "title",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Title",
+   "reqd": 1,
+   "unique": 1
+  },
+  {
+   "fieldname": "description",
+   "fieldtype": "Markdown Editor",
+   "label": "Description"
+  },
+  {
+   "fieldname": "route",
+   "fieldtype": "Data",
+   "label": "Route"
+  },
+  {
+   "default": "0",
+   "fieldname": "is_published",
+   "fieldtype": "Check",
+   "label": "Published"
+  }
+ ],
+ "has_web_view": 1,
+ "index_web_pages_for_search": 1,
+ "is_published_field": "is_published",
+ "links": [],
+ "modified": "2021-03-02 06:40:37.282673",
+ "modified_by": "Administrator",
+ "module": "Community",
+ "name": "Community Course",
+ "owner": "Administrator",
+ "permissions": [
+  {
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 1,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "System Manager",
+   "share": 1,
+   "write": 1
+  }
+ ],
+ "route": "courses",
+ "search_fields": "title",
+ "sort_field": "creation",
+ "sort_order": "DESC",
+ "title_field": "title",
+ "track_changes": 1,
+ "track_views": 1
+}

community/community/doctype/community_course/community_course.py

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+# -*- coding: utf-8 -*-
+# Copyright (c) 2021, Frappe and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+# import frappe
+from frappe.website.website_generator import WebsiteGenerator
+
+class CommunityCourse(WebsiteGenerator):
+	pass

community/community/doctype/community_course/templates/community_course.html

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+{% extends "templates/web.html" %}
+
+{% block page_content %}
+
+<ol class="breadcrumb" itemscope="" itemtype="http://schema.org/BreadcrumbList">
+  <li itemprop="itemListElement" itemscope="" itemtype="http://schema.org/ListItem" class="breadcrumb-item">
+    <a itemprop="item" href="/courses">
+      <span itemprop="name">&larr; Courses</span>
+      <meta itemprop="position" content="1">
+    </a>
+    <span itemprop="item">
+  </li>
+</ol>
+
+<h1>{{ title }}</h1>
+
+{{description}}
+
+{% endblock %}
+
+<!-- this is a sample default web page template -->

community/community/doctype/community_course/templates/community_course_row.html

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+  <div class="card" style="width: 100%; margin: 5px 0px">
+	<div class="card-body">
+	  <h5 class="card-title"><a href="{{doc.route}}">{{doc.title}}</a></h5>
+	  <p class="card-text">{{doc.description}}</p>
+	  <a href="{{doc.route}}" class="card-link">See more &rarr;</a>
+	</div>
+  </div>

community/community/doctype/community_course/test_community_course.py

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+# -*- coding: utf-8 -*-
+# Copyright (c) 2021, Frappe and Contributors
+# See license.txt
+from __future__ import unicode_literals
+
+# import frappe
+import unittest
+
+class TestCommunityCourse(unittest.TestCase):
+	pass