Add https://www.kusama-wallet.com (#125)

Reported here: https://www.reddit.com/r/Kusama/comments/lmyyvm/beware_of_this_kusama_wallet_seemed_legit_but_is/

Seems to be well-done (even including a correctly written privacy policy!) but the screenshots have non-Kusama addresses (start with "4")

all.json

@@ -9,6 +9,7 @@
     "dotevent.org",
     "dothereum-polkadot.net",
     "getpolkadot.net",
+    "kusama-wallet.com",
     "polkabeam.org",
     "polkadot-airdrop.info",
     "polkadot-airdrop.live",