Add Prettier for linting and fix Solhint config (#2697)

Co-authored-by: Francisco Giordano <frangio.1@gmail.com>

contracts/mocks/SafeCastMock.sol

@@ -5,62 +5,62 @@ pragma solidity ^0.8.0;
 import "../utils/math/SafeCast.sol";
 
 contract SafeCastMock {
-    using SafeCast for uint;
-    using SafeCast for int;
+    using SafeCast for uint256;
+    using SafeCast for int256;
 
-    function toUint256(int a) public pure returns (uint256) {
+    function toUint256(int256 a) public pure returns (uint256) {
         return a.toUint256();
     }
 
-    function toUint224(uint a) public pure returns (uint224) {
+    function toUint224(uint256 a) public pure returns (uint224) {
         return a.toUint224();
     }
 
-    function toUint128(uint a) public pure returns (uint128) {
+    function toUint128(uint256 a) public pure returns (uint128) {
         return a.toUint128();
     }
 
-    function toUint96(uint a) public pure returns (uint96) {
+    function toUint96(uint256 a) public pure returns (uint96) {
         return a.toUint96();
     }
 
-    function toUint64(uint a) public pure returns (uint64) {
+    function toUint64(uint256 a) public pure returns (uint64) {
         return a.toUint64();
     }
 
-    function toUint32(uint a) public pure returns (uint32) {
+    function toUint32(uint256 a) public pure returns (uint32) {
         return a.toUint32();
     }
 
-    function toUint16(uint a) public pure returns (uint16) {
+    function toUint16(uint256 a) public pure returns (uint16) {
         return a.toUint16();
     }
 
-    function toUint8(uint a) public pure returns (uint8) {
+    function toUint8(uint256 a) public pure returns (uint8) {
         return a.toUint8();
     }
 
-    function toInt256(uint a) public pure returns (int256) {
+    function toInt256(uint256 a) public pure returns (int256) {
         return a.toInt256();
     }
 
-    function toInt128(int a) public pure returns (int128) {
+    function toInt128(int256 a) public pure returns (int128) {
         return a.toInt128();
     }
 
-    function toInt64(int a) public pure returns (int64) {
+    function toInt64(int256 a) public pure returns (int64) {
         return a.toInt64();
     }
 
-    function toInt32(int a) public pure returns (int32) {
+    function toInt32(int256 a) public pure returns (int32) {
         return a.toInt32();
     }
 
-    function toInt16(int a) public pure returns (int16) {
+    function toInt16(int256 a) public pure returns (int16) {
         return a.toInt16();
     }
 
-    function toInt8(int a) public pure returns (int8) {
+    function toInt8(int256 a) public pure returns (int8) {
         return a.toInt8();
     }
 }