Add example scripts for Automation, Data Feeds, VRF and Functions

script/CreateAndFundVRFSubscription.s.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.7;
+
+import "forge-std/Script.sol";
+import "@chainlink-toolkit/vrf/VRF.s.sol";
+
+contract CreateAndFundVRFSubscription is Script {
+  function run(
+    address vrfCoordinatorAddress,
+    uint96 amountInJuels
+  ) external returns (uint64 subId){
+    VRFScript vrfScript = new VRFScript(vrfCoordinatorAddress);
+
+    vm.broadcast();
+    subId = vrfScript.createSubscription();
+
+    vm.broadcast();
+    vrfScript.fundSubscription(amountInJuels, subId);
+
+    return subId;
+  }
+}

script/CreateAutomationSubscription.s.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.7;
+
+import "forge-std/Script.sol";
+import "@chainlink-toolkit/automation/Automation.s.sol";
+
+contract CreateAutomationSubscription is Script {
+  function run(
+    address keeperRegistryAddress,
+    uint96 amountInJuels,
+    string calldata upkeepName,
+    string calldata email,
+    address upkeepAddress,
+    uint32 gasLimit,
+    bytes calldata checkData
+  ) external returns (bytes32 requestHash){
+
+    AutomationScript automationScript = new AutomationScript(keeperRegistryAddress);
+
+    vm.broadcast();
+    return automationScript.registerUpkeep(
+      amountInJuels,
+      upkeepName,
+      email,
+      upkeepAddress,
+      gasLimit,
+      checkData
+    );
+  }
+}

script/CreateFunctionsSubscription.s.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.7;
+
+import "forge-std/Script.sol";
+import "@chainlink-toolkit/functions/Functions.s.sol";
+
+contract CreateFunctionsSubscriptionWithConsumer is Script {
+  function run(
+    address functionsRouterAddress,
+    address functionsConsumerAddress,
+    address linkTokenAddress,
+    uint256 amountInJuels
+  ) external returns (uint64 subId){
+
+    FunctionsScript functionsScript = new FunctionsScript(functionsRouterAddress);
+
+    vm.broadcast();
+    subId = functionsScript.createSubscriptionWithConsumer(functionsConsumerAddress);
+
+    vm.broadcast();
+    functionsScript.fundSubscription(linkTokenAddress, amountInJuels, subId);
+
+    return subId;
+  }
+}

script/FundAutomationSubscription.s.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.7;
+
+import "forge-std/Script.sol";
+import "@chainlink-toolkit/automation/Automation.s.sol";
+
+contract FundAutomationSubscription is Script {
+  function run(
+    address keeperRegistryAddress,
+    uint256 upkeepId,
+    uint96 amountInJuels
+  ) external returns (bytes32 requestHash){
+
+    AutomationScript automationScript = new AutomationScript(keeperRegistryAddress);
+
+    vm.broadcast();
+    return automationScript.addFunds(
+      upkeepId,
+      amountInJuels
+    );
+  }
+}