Bugfix Websocket hostname. (#21)

* Add yarn-error.log to gitignore.

* Add ts-node to devDependencies.
Add script to only build tsc.
Add websocket to keywords.

* Update yarn.lock libs.

* FIX websocket endpoint hostname.
FIX corrent import for all examples.
FIX websocket instrucions on readme.

package.json

@@ -16,6 +16,7 @@
     "mempool.space",
     "mempool.js",
     "mempool",
+    "websocket",
     "nodejs",
     "typescript"
   ],
@@ -31,6 +32,7 @@
     "start": "ts-node src/index.ts",
     "dev": "nodemon src/index.ts",
     "build": "tsc | browserify lib/index.js --standalone mempoolJS > dist/mempool.js | browserify -p tinyify lib/index.js --standalone mempoolJS > dist/mempool.min.js",
+    "build-tsc": "tsc",
     "prepare": "npm run build",
     "postversion": "git push && git push --tags"
   },
@@ -51,6 +53,7 @@
     "eslint": "^7.19.0",
     "nodemon": "^2.0.7",
     "tinyify": "^3.0.0",
+    "ts-node": "^9.1.1",
     "typescript": "^4.1.3"
   },
   "license": "MIT"