added dshackle confgured with free node providers for ethereum

dshackle/config/quicknode.yaml

@@ -0,0 +1,29 @@
+upstreams:
+  - id: quicknode
+    chain: ethereum
+    role: fallback
+    priority: 140
+    options:
+      disable-validation: false
+      validate-peers: false
+      validate-syncing: true
+    methods:
+      enabled:
+        # Manually Enabled
+        - name: qn_broadcastRawTransaction
+        - name: qn_fetchNFTCollectionDetails
+        - name: qn_fetchNFTs
+        - name: qn_fetchNFTsByCollection
+        - name: qn_getTokenMetadataByContractAddress
+        - name: qn_getTokenMetadataBySymbol
+        - name: qn_getTransfersByNFT
+        - name: qn_getWalletTokenBalance
+        - name: qn_getWalletTokenTransactions
+        - name: qn_verifyNFTsOwner
+    connection:
+      ethereum:
+        rpc:
+          url: "${QUICKNODE_HTTP}"
+        ws:
+          url: "${QUICKNODE_WSS}"
+