Erc1155 dapp interaction (#212)

* Add ERC1155 contract example

* Add ERC1155 bytecode and abi.

* Add ERC1155 frontend interactions.

* Add ERC1155 undisable condition for deployed contracts.

* Add setURI public method to chang default uri.

contracts/ERC1155Example.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/utils/Strings.sol";
+
+contract ERC1155Example is ERC1155, Ownable {
+    string public constant name = "ERC1155";
+
+    constructor() ERC1155("ipfs://bafybeidxfmwycgzcp4v2togflpqh2gnibuexjy4m4qqwxp7nh3jx5zlh4y/") {
+    }
+
+    function uri(uint256 _tokenid) override public view returns (string memory) {
+        return string(abi.encodePacked(super.uri(_tokenid), Strings.toString(_tokenid), ".json"));
+    }
+
+
+    function mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) public onlyOwner{
+        _mintBatch(to, ids, amounts, data);
+    }
+
+    function setURI(string memory newuri) public onlyOwner {
+        _setURI(newuri);
+    }
+}