Replace @trust/webcrypto with webcrypto-core

Author: dmitrizagidulin

examples/HS256.js

@@ -1,4 +1,4 @@
-const crypto = require('@trust/webcrypto')
+const crypto = require('isomorphic-webcrypto')
 const JWA = require('../src/jose/JWA')
 
 let key

examples/JWS.js

@@ -1,5 +1,5 @@
 require('../src/formats')
-const crypto = require('@trust/webcrypto')
+const crypto = require('isomorphic-webcrypto')
 const JWT = require('../src/jose/JWT')
 
 let key, jwt

examples/RS256.js

@@ -1,4 +1,4 @@
-const crypto = require('@trust/webcrypto')
+const crypto = require('isomorphic-webcrypto')
 const JWA = require('../src/jose/JWA')
 
 let privateKey, publicKey