add FlowToken transfer txn

transactions/flow-token/transfer_flow.cdc

@@ -0,0 +1,23 @@
+import "FungibleToken"
+import "FlowToken"
+
+transaction(recipient: Address, amount: UFix64) {
+
+    let providerVault: &FlowToken.Vault
+    let receiver: &{FungibleToken.Receiver}
+
+    prepare(signer: AuthAccount) {
+        self.providerVault = signer.borrow<&FlowToken.Vault>(from: /storage/flowTokenVault)!
+        self.receiver = getAccount(recipient).getCapability<&{FungibleToken.Receiver}>(/public/flowTokenReceiver)
+            .borrow()
+            ?? panic("Could not borrow receiver reference")
+    }
+
+    execute {
+        self.receiver.deposit(
+            from: <-self.providerVault.withdraw(
+                amount: amount
+            )
+        )
+    }
+}