Shareholder and related doctypes (#12215)

* Added doctypes related to shares

- Shareholder doctype, the entity who does the transaction
- Share doctype, a child table to kepp list of all shares
- Share Transfer doctype, Logs of all made transactions

* Added logic for share transfer

- update shareholder automatically on share transfer/issue/purchase
- purchase and transfer have method remove_share which doesn't get executed because of some bug

* Added report view for share ledger

* Removed share number tracking

- removed share number tracking from Share Ledger child table for Shareholder doctype
- new doctype Share Type created

* Share Balance report added

- math behind Share Balance report needs fixing

* Changes in shareholder

- Share numbers are not tracked in Shareholder
- Share Ledger doctype deleted
- Share Balance Report bug fixed

* Shareholder

- fixed report for share balance
- remove bug from share transfer by making share type mandatory
- added buttons to shareholder for direct link to report

* Added tests for Share Transfer

* minor codacy fixes

* Added Shareholder to Party Type

* rate in share ledger & balance report is currency

* First attempt at modelling shares after Item

* Share Manager changes

- on creation of shareholder party it should check if the same combo exists
- in shareholder party make report button visible iff folio no exists
- create folio no on creation of share transfer iff it doesnt already exist
- move reports from shareholder to shareholder party

* Shareholder chages

- delete share child table doctype
- autoname added to folio no
- modify tests for share transfer

* minor changes

* removed share_no child doctype

* Restructured Share Transfer Logic (not tested)

- Everything revolves around Share Balance child table in Shareholder Party
- is_company flag still to be utilized

* Tested Share Tranfer

* minor fixes

* started new shareholder structure

* modified shareholder

* renamed Shareholder Party to Shareholder

* Shareholder rewrite complete

* new tests for shareholder written

* codacy fixes

* Added documentation

erpnext/config/accounts.py

@@ -456,6 +456,34 @@ def get_data():
 				}
 			]
 		},
+		{
+			"label": _("Share Management"),
+			"icon": "fa fa-microchip ",
+			"items": [
+				{
+					"type": "doctype",
+					"name":"Shareholder",
+					"description": _("List of available Shareholders with folio numbers")
+				},
+				{
+					"type": "doctype",
+					"name":"Share Transfer",
+					"description": _("List of all share transactions"),
+				},
+				{
+					"type": "report",
+					"name": "Share Ledger",
+					"doctype": "Share Transfer",
+					"is_query_report": True
+				},
+				{
+					"type": "report",
+					"name": "Share Balance",
+					"doctype": "Share Transfer",
+					"is_query_report": True
+				}
+			]
+		},
 		{
 			"label": _("Help"),
 			"icon": "fa fa-facetime-video",