Chore (Accounting rule): receive/interest events

Signed-off-by: OjusWiZard <[email protected]>

updates/accounting_rules/v4.json

@@ -8,6 +8,15 @@
             "count_entire_amount_spend": true,
             "count_cost_basis_pnl": true,
             "accounting_treatment": null
+        },
+        {
+            "event_type": "receive",
+            "event_subtype": "interest",
+            "counterparty": null,
+            "taxable": true,
+            "count_entire_amount_spend": false,
+            "count_cost_basis_pnl": true,
+            "accounting_treatment": null
         }
     ]
 }