Update ERC20.sol

Author: bscript07

src/07_exercise-advanced-contracts/ERC20.sol

@@ -18,20 +18,38 @@ error InvalidSignature();
 error InvalidRelayer();
 
 contract AIAgentShare is ERC20, Ownable, EIP712, ERC20Permit {
+    // Minimum share amount per participant 100 tokens
     uint256 public constant MIN_AMOUNT_MINUS_ONE = 99 * 10 ** 18;
+
+    // Maximum share amount per participant 50000 tokens
     uint256 public constant MAX_AMOUNT_PLUS_ONE = 50001 * 10 ** 18;
+
+    // Total user participants 
     uint256 public constant TOTAL_PARTICIPANTS = 260;
-    uint256 public constant BITS_PER_UINT = 256; // 256 bits
+
+    // 256 bits per 1 uint256 state variable 
+    uint256 public constant BITS_PER_UINT = 256;
+
+    // Relayer fee 5% commission 
     uint256 public constant RELAYER_FEE = 5 * 10 ** 18;
+
+    // Set type hash for buy approval 
     bytes32 public constant STRUCT_TYPE_HASH = keccak256("BuyApproval(uint256 amount, int256 deadline)");
 
-    uint256 public immutable BUY_PERIOD_ENDS = block.timestamp + 10 days; // 10 days buying period
+    // Set 10 days buys period
+    uint256 public immutable BUY_PERIOD_ENDS = block.timestamp + 10 days;
+
+    // Store tree root
     bytes32 public immutable root;
 
+    // Store user relayer
     address public relayer;
 
-    uint256 public shareHoldersPool = 5_000_000 * 10 ** 18; // 5 million tokens for share holders
-    uint256 public price = 0.1 ether; // 0.1 ether price per 1 token
+    // Add 5 million tokens to the pool for my buyers participants
+    uint256 public shareHoldersPool = 5_000_000 * 10 ** 18; 
+
+    // Set price per 1 token == 0.10 ether 
+    uint256 public price = 0.1 ether;
 
     /**
      *