add polkabridge dot org (#108)

reported from discord many times. they are listed here: https://polkaproject.com/
I am unclear as to if it's a real scam, or just iffy.

all.json

@@ -24,6 +24,7 @@
     "polkadot.company",
     "polkadot.express",
     "polkadotairdrop.com",
+    "polkabridge.org",
     "polkadotfund.com",
     "polkadotgiveaway.com",
     "polkadotlive.com",