Add VRF release notes page

src/content/vrf/vrf-release-notes.mdx

@@ -0,0 +1,61 @@
+---
+section: vrf
+date: Last Modified
+title: "Chainlink VRF Release Notes"
+isMdx: true
+whatsnext:
+  {
+    "Get a Random Number (Direct funding)": "/vrf/v2/direct-funding/examples/get-a-random-number",
+    "Get a Random Number (Subscription)": "/vrf/v2/subscription/examples/get-a-random-number",
+  }
+---
+
+## 2023-10-23 - Sepolia gas lane increase
+
+For VRF V2 subscription, the [Sepolia gas lane](/vrf/v2/subscription/supported-networks#sepolia-testnet) has increased from 30 gwei to 150 gwei. The key hash has otherwise remained the same.
+
+## 2023-10-02 - VRF Quickstarts and Resources
+
+The [Developer Hub](https://dev.chain.link/) has been released. It helps you find resources related to web3 use cases like NFTs and gaming. The Developer Hub includes a comprehensive [VRF Resources](https://dev.chain.link/products/vrf) page that shows a collection of Quickstarts, guides, tutorials, videos, blog posts, courses, documentation, and case studies related to VRF.
+
+A new set of Quickstarts has been released. See [all the Quickstarts that involve VRF](https://dev.chain.link/resources/quickstarts?product=VRF).
+
+## 2023-07-26 - VRF Cost Calculator
+
+A VRF cost calculator has been added to the [Estimating Costs](/vrf/v2/estimating-costs) page. Use this calculator to estimate costs for both subscription and direct funding.
+
+## 2023-06-14 - Arbitrum support and docs expanded
+
+Arbitrum mainnet and Arbitrum Goerli are supported on VRF V2 direct funding. Detailed cost explanations for Arbitrum and a cost estimation code example are available on the [Estimating Costs](/vrf/v2/estimating-costs) page.
+
+## 2023-05-19 - Support added for Arbitrum
+
+Arbitrum mainnet and Arbitrum Goerli are supported on VRF V2 subscription.
+
+## 2023-04-20 - Supported network removed
+
+Klaytn and Klaytn Baobob are no longer supported networks on VRF.
+
+See the currently supported networks for [subscription](/vrf/v2/subscription/supported-networks) and [direct funding](/vrf/v2/direct-funding/supported-networks).
+
+## 2023-04-12 - Estimating costs page added
+
+Billing and cost information for VRF V2 subscription and direct funding has been consolidated into one [Estimating Costs](/vrf/v2/estimating-costs) page. Static cost breakdown examples are available for both funding methods.
+
+## 2023-04-05 - VRF V2 mock contracts added
+
+Mock contracts for local testing are available for VRF V2 subscription and direct funding:
+
+- [Test VRF V2 subscription locally](/vrf/v2/subscription/examples/test-locally)
+- [Test VRF V2 direct funding locally](/vrf/v2/direct-funding/examples/test-locally)
+
+## 2021-12-14 - VRF V2 is GA
+
+VRF V2 is generally available with new sample contracts for V2.
+
+## 2021-12-14 - VRF V2 launched
+
+VRF V2 is available along with guides to help you migrate from V1 to V2:
+
+- [Subscription: Migrating from V1 to V2](/vrf/v2/subscription/migration-from-v1)
+- [Direct funding: Migrating from V1 to V2](/vrf/v2/direct-funding/migration-from-v1)