feat: add transactions list and details

Author: icfor

apps/web-namada/src/graphql/general/transaction_details.graphql

@@ -0,0 +1,14 @@
+query TransactionDetails($hash: String) {
+  transaction(where: {hash: {_eq: $hash}}, limit: 1) {
+    hash: hash
+    height: height
+    block: block {
+      timestamp: timestamp
+    }
+    gasUsed: gas_used
+    gasWanted: gas_wanted
+    success: success
+    memo: memo
+    rawLog: raw_log
+  }
+}

apps/web-namada/src/graphql/general/transactions.graphql

@@ -0,0 +1,11 @@
+query Transactions($limit: Int = 7, $offset: Int = 0) {
+  transactions: transaction(limit: $limit, offset: $offset, order_by: {height: desc}) {
+    height
+    hash
+    success
+    block {
+      timestamp
+    }
+    tx_type
+  }
+}