chore(common): connect support for Regtest and Decred

common/defs/support.json

@@ -9,6 +9,7 @@
       "bitcoin:BTG": true,
       "bitcoin:BTX": true,
       "bitcoin:DASH": true,
+      "bitcoin:DCR": true,
       "bitcoin:DGB": true,
       "bitcoin:DOGE": true,
       "bitcoin:FIRO": true,
@@ -25,10 +26,12 @@
       "bitcoin:NMC": true,
       "bitcoin:POLIS": true,
       "bitcoin:PPC": true,
+      "bitcoin:REGTEST": true,
       "bitcoin:RITO": true,
       "bitcoin:RVN": true,
       "bitcoin:SYS": true,
       "bitcoin:TAZ": true,
+      "bitcoin:TDCR": true,
       "bitcoin:TBCH": true,
       "bitcoin:TBTG": true,
       "bitcoin:TEST": true,
@@ -99,6 +102,7 @@
       "bitcoin:MUE": true,
       "bitcoin:NMC": true,
       "bitcoin:PPC": true,
+      "bitcoin:REGTEST": true,
       "bitcoin:QTUM": true,
       "bitcoin:RVN": true,
       "bitcoin:TAZ": true,