Merge pull request #3 from erc6900/adam/add-gpg-validation-module

feat: add gpg validation module

Author: adamegyed

docs/pages/modules.mdx

@@ -26,6 +26,10 @@ description: Modules for ERC-6900
 
 - **[KeystoreValidator](https://github.com/axiom-crypto/keystore-periphery/blob/main/contracts/src/KeystoreValidator.sol)**: Facilitates keystore chain usage for modular accounts.
 
+### Sarkazein
+
+- **[GPGValidationModule](https://github.com/sumitvekariya/gpg-modular-account)**" Allows a GPG public/private keypair to validate transactions and signatures for modular smart accounts. Supports `RSA` and `ED25519` keys using the GPG precompile `(0x696)` at [tea-geth](https://github.com/teaxyz/tea-geth).
+
 ## v0.7
 
 ### Alchemy