[USER_GUIDE]: Add Vendors user guide

docs/user_guide/bank/community_vendors.md

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-Not yet written
+# Vendors
+
+If you make purchases from a vendor, the vendors list lets you manage their contact information and view more details about the purchases.
+
+To access the vendors list, click on "Vendors" under the "Community" section.
+
+![Vendors](images/community/vendors/vendors_page.jpg)
+
+This page shows details from all previously recorded vendors -- business, contact, phone email, and total items, letting you drill down to more information, or to edit each vendor's information.
+
+## Adding vendors
+
+To add a new vendor, click on the "+ New Vendor" button, add their details including the business name, contact name, phone, email, and address.
+
+![Add Vendor](images/community/vendors/add_vendor.jpg)
+
+After saving the vendor's details there will be a new row in the Vendors page.
+
+You can also add a new vendor "on the fly" as you enter the purchases, through the [New Purchase](essentials_purchases.md) page.
+
+## Viewing vendor information
+
+Click on "View" for more details about the vendor which also shows the date of each purchase, volume, and purchase details.
+
+![Vendor Details](images/community/vendors/vendor_details.jpg)
+
+## Editing vendors
+
+Click the "Edit" button to edit the vendor's details.
+
+![Edit Vendor Details](images/community/vendors/edit_vendors.jpg)
+
+## Exporting vendors
+
+You can export all the vendors by clicking on the "Export Vendors" button.
+Currently we are only providing the vendors' contact information in the export.
+
+![Export Vendors](images/community/vendors/export_vendors.jpg)