[IMP] web_widget_markdown: SimpleMDE ➔ EasyMDE

SimpleMDE is no longer maintained: sparksuite/simplemde-markdown-editor#829
➔ Switch to [EasyMDE](https://github.com/Ionaru/easy-markdown-editor), a fork.

readonly mode: `EasyMDE.prototype.markdown` is no longer as simple as
`SimpleMDE.prototype.markdown` used to be (now requires an EasyMDE
instance) so this cset instead adds the `marked` lib to call it
directly, without relying on EasyMDE's wrapper.

web_widget_markdown/README.md

@@ -3,7 +3,7 @@
 This widget add a markdown Editor to Text field. In Edit mode the Editor is fuly usable and in readonly mode
 the widget shows a naive transformation of markdown to HTML as a preview.
 
-This module uses the JavaScript library [SimpleMDE](https://simplemde.com/) as a Markdown Editor for the
+This module uses the JavaScript library [EasyMDE](https://github.com/Ionaru/easy-markdown-editor) as a Markdown Editor for the
 client.
 
 And the python [Markdown library](https://github.com/Python-Markdown/markdown) for backend usage.
@@ -34,7 +34,7 @@ In your xml view, add `widget="markdown"` to any Text field.
 ### Options
 
 In the options attribute, pass any options of
-[SimpleMDE](https://github.com/sparksuite/simplemde-markdown-editor#configuration) configuration.
+[EasyMDE](https://github.com/Ionaru/easy-markdown-editor#configuration) configuration.
 
 ## Usage in report / Website templates
 
@@ -55,8 +55,13 @@ Do not contact contributors directly about support or help with technical issues
 
 ## Credits
 
-Big thanks to the authors of [SimpleMDE](https://github.com/sparksuite/simplemde-markdown-editor).
+Big thanks to the authors of [EasyMDE](https://github.com/Ionaru/easy-markdown-editor),
+which is based on [SimpleMDE](https://github.com/sparksuite/simplemde-markdown-editor).
 
 ### Widget Author
 
 [![Coding Dodo](https://res.cloudinary.com/phildl-cloudinary/image/upload/w_300/v1617638212/codingdodo/Coding_Dodo_rplksw.png)](https://codingdodo.com)
+
+### Widget Contributors
+
+* [XCG](https://xcg-consulting.fr/)

web_widget_markdown/__manifest__.py

@@ -8,7 +8,7 @@
     "author": "Coding Dodo",
     "website": "https://github.com/Coding-Dodo/web",
     "category": "web",
-    "version": "16.0.1.0.0",
+    "version": "16.0.1.1.0",
     "license": "AGPL-3",
     "depends": ["base", "web"],
     "data": [],
@@ -17,13 +17,14 @@
         "web.assets_backend": [
             "/web_widget_markdown/static/src/js/markdown_field.js",
             "/web_widget_markdown/static/src/js/markdown_field.xml",
-            "/web_widget_markdown/static/lib/simplemde.min.css",
+            "/web_widget_markdown/static/lib/easymde.min.css",
         ],
         "web.assets_qweb": [
             "/web_widget_markdown/static/src/xml/qweb_template.xml",
         ],
         "web.tests_assets": [
-            "/web_widget_markdown/static/lib/simplemde.min.js",
+            "/web_widget_markdown/static/lib/easymde.min.js",
+            "/web_widget_markdown/static/lib/marked.min.js",
         ],
         "web.qunit_suite_tests": [
             "/web_widget_markdown/static/tests/**/*",