Implement link sharing (#213)

* Implement link sharing

* Share default

* Compress and base64 encode data

* Better error messages

* Fix build

* Only change version when it's different

package.json

@@ -32,6 +32,7 @@
     "deepslate-rs": "^0.1.6",
     "howler": "^2.2.3",
     "js-yaml": "^3.14.1",
+    "lz-string": "^1.4.4",
     "marked": "^4.0.10",
     "rfdc": "^1.3.0",
     "sourcemapped-stacktrace": "^1.1.11"
@@ -43,6 +44,7 @@
     "@types/google.analytics": "0.0.40",
     "@types/howler": "^2.2.4",
     "@types/js-yaml": "^4.0.4",
+    "@types/lz-string": "^1.3.34",
     "@types/marked": "^4.0.1",
     "@types/seedrandom": "^2.4.28",
     "@typescript-eslint/eslint-plugin": "^4.25.0",