chore(npm): rename package

Author: aesedepece

package.json

@@ -1,7 +1,7 @@
 {
-  "name": "witnet-solidity-bridge",
+  "name": "@witnet/solidity",
   "version": "2.0.18",
-  "description": "Witnet Solidity Bridge contracts for EVM-compatible chains",
+  "description": "Wit/Oracle (aka Witnet) contracts and tooling for EVM-compatible chains",
   "author": "Witnet Foundation <info@witnet.foundation>",
   "license": "MIT",
   "repository": {