* migration tool

* custom field for primary key added

* foreign key and multiple linking F_key issue resolved

* refined code

* many-to-one mapping temp fix

* added support for pre-process + cleaned up code

* [various] fixes to setup wizard for developer mode, frappe.enqueue_doc, share with assign

* Refactor data migration module

* added migration for hub

* Add "Skip errors" in data import tool

* move db_set to document.py

* Add Data Migration Run

* Dynamic Migration ID

* move run() from Mapping to Run

* Push Deleted Documents

* fixes

* [migration] doc operation counts

* insert and update instead of push in connection

* fix count and total_pages, skip sync if total_pages is 0

* [migration] child tables

* fix complete()

* [page] remove required libs

* Add sidebar.js, rename old sidebar.js to form_sidebar.js

* [minor] get_empty_state fixes

* svg in icon

* remove image check

* fix codacy

* fix is_child_table check

* [connector] add get_list()

* Add test for Data Migration Run

* fix test

* truncate tabNote

* fix test

* sync todo with event to fix test

* fix db count

* [mapping] export Mapping to json

* Add docs for Data Migration Tool

* [migration] pull data as list, test case

* [hub] remove mapping export to files

* Pull refactor

* [test]

* Add comments

* [mapping] exec in mapping formula

* fix codacy

* fix codacy

* Remove exec for pre-process and post-process

* Add pre and post process for Push

* Remove formula

* fixes

* [refactor] add failed_log to pull, handle error in pull

* [test] Push, pull, update

* Fix codacy, fix insert_doc for pull

* Set migration id on successful insert

* fix update_doc

* fix update_doc

* method is a function

* child table mapping

* Refactor logging

* fix update_doc again

* fix hostname, password

* update docs, minors

* Remove assign_if_none

* Remove error handling from connection methods

* [refactor] Data migration run

* Break push stages into methods

* Migration run refactor

- fix test
- add separate fields for logging

* fix codacy

* fix hostname password

* fix test

* Revert "Force uploads to be private by default (#4159)"

This reverts commit 2191a7d3a4.

* Revert "[fix] Disabled document not validated on save/submit #10571 (#4195)"

This reverts commit 13a3205277.

* Make uploads private by default

* Fixed first attempt private

* Removed accidental debugger

* Added check for image

* Added public option for attaching

* Get rid of whitespace

* validation for disabled document

* Update utils.py

* [FIX] babel-presets

* comment out minify

* Update build.js

* [FIX] #4223

* codacy fix

* fixed codacy

* fixed codacy

[fix] text editor in firefox

[minor] added the Created On and Last Modified On date fields in email alert's date_change

[fix] for scrolling https://github.com/frappe/erpnext/issues/9088

RTL direction of chart reports

[MAJOR] WebCamera attachments, Desktop Wiggling, bench command, minor UX, better dev workflow, MariaDB@10.2 fix

Add Email option to Address email_id field, so that Email is validated

[fix] validate links before calling controller triggers

[fix] remove filter

[fix] default email subject should be title