docs: replace Redict with Valkey in docs

Replaced references to Redict/Redis with Valkey (in-memory cache & message broker) and update links to https://valkey.io.

Signed-off-by: Alex Piatakov <alex.piatakov@swirldslabs.com>

Author: Pyatakov

README.md

@@ -76,7 +76,7 @@ To get a local copy up and running quickly, follow the steps below. Please refer
    - **[Filebase account](https://filebase.com/)** – S3-compatible IPFS pinning
    - Local IPFS node (e.g., **[Kubo](https://github.com/ipfs/kubo)**) – auto-provisioned when using Docker Compose
 
-5. **[Redict](https://redict.io/)** – in-memory cache & message broker, independent fork of Redis® (auto-provisioned by the Docker stack)
+5. **[Valkey](https://valkey.io)** – in-memory cache & message broker (auto-provisioned by the Docker stack)
 
 When building the reference implementation, you can [manually build every component](#manual-installation) or run a single command with Docker.
 
@@ -410,7 +410,7 @@ If you want to manually build every component with debug information, then build
 - [Node.js v20.20](https://nodejs.org)
 - [Yarn](https://yarnpkg.com/getting-started/install)
 - [Nats 2.9.25](https://nats.io/)
-- [Redict](https://redict.io/)
+- [Valkey](https://valkey.io)
 - [Seq 2025.2 - optional for logging](https://datalust.co/seq)
 
 ### Build and start each component

docs/README.md

@@ -15,7 +15,7 @@ Below are the universal software prerequisites, followed by network-specific ite
 3. [MongoDB v6](https://www.mongodb.com/), [Node.js v16](https://nodejs.org/en), and [NATS 1.12.2](https://nats.io/) – auto-installed when using Docker-Compose
 4. [Web3.Storage account](https://web3.storage/) – IPFS pinning service
 5. [Filebase account](https://filebase.com/) – S3-compatible IPFS pinning
-6. [Redis 7.3.0](https://redict.io/) – in-memory cache & message broker (auto-provisioned by the Docker stack)
+6. [Valkey](https://valkey.io) – in-memory cache & message broker (auto-provisioned by the Docker stack)
 
 ### 2.2 Hedera network
 

docs/guardian/readme/getting-started/prerequisites.md

@@ -7,7 +7,7 @@
 * [MongoDB](https://www.mongodb.com/)[ V6](https://www.mongodb.com/) , [NodeJS](https://nodejs.org/)[ v16](https://nodejs.org/en) and [Nats](https://nats.io/)[ 1.12.2](https://nats.io/) (If you build with docker these components will be installed automatically)
 * [Web3.Storage Account](https://web3.storage/)
 * [Filebase Account](https://filebase.com/)
-* [Redict 7.3.0](https://redict.io/)
+* [Valkey](https://valkey.io)
 
 When building reference implementation, you can manually build every component or run a single command with Docker.