Editing Books (#13535)

* start work on ui

* Move notebooks complete

* Simplify version handling

* fix issues with add section method

* fix issues with the edit experience and add the quick pick for editing

* add version handler for re-writing tocs

* fix book toc manager tests

* add notebook test

* fix localize constant

* normalize paths on windows

* check that a section has sections before attempting to mve files

* Implement method for renaming duplicated files

* moving last notebook from section converts the section into notebook

* Add recovery method restore original state of file system

* Add clean up, for files that are copied instead of renamed

* remove dir complexity

* divide edit book in methods for easier testing and remove promise chain

* Keep structure of toc

* normalize paths on windows

* fix external link

* Add other fields for versions

* fix paths in uri of findSection

* add section to section test

* Add error messages

* address pr comments and add tests

* check that the new path of a notebook is different from the original path before deleting

extensions/notebook/package.json

@@ -239,6 +239,10 @@
         "command": "notebook.command.closeNotebook",
         "title": "%title.closeJupyterNotebook%"
       },
+      {
+        "command": "notebook.command.moveTo",
+        "title": "%title.moveTo%"
+      },
       {
         "command": "notebook.command.createBook",
         "title": "%title.createJupyterBook%",
@@ -385,6 +389,10 @@
           "command": "notebook.command.closeNotebook",
           "when": "false"
         },
+        {
+          "command": "notebook.command.moveTo",
+          "when": "false"
+        },
         {
           "command": "notebook.command.revealInBooksViewlet",
           "when": "false"
@@ -457,6 +465,10 @@
           "command": "notebook.command.closeNotebook",
           "when": "view == bookTreeView && viewItem == savedNotebook"
         },
+        {
+          "command": "notebook.command.moveTo",
+          "when": "view == bookTreeView && viewItem == savedNotebook || view == bookTreeView && viewItem == section"
+        },
         {
           "command": "notebook.command.pinNotebook",
           "when": "view == bookTreeView && viewItem  == savedNotebook",