Fix: Close current connections to LensProxy on quit

- This speeds up quitting

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/core/package.json

@@ -168,6 +168,7 @@
     "rfc6902": "^5.0.1",
     "selfsigned": "^2.1.1",
     "semver": "^7.3.8",
+    "stoppable": "^1.1.0",
     "tar": "^6.1.13",
     "tcp-port-used": "^1.0.2",
     "tempy": "1.0.1",
@@ -228,6 +229,7 @@
     "@types/react-window": "^1.8.5",
     "@types/readable-stream": "^2.3.13",
     "@types/semver": "^7.3.13",
+    "@types/stoppable": "^1.1.1",
     "@types/tar": "^6.1.4",
     "@types/tcp-port-used": "^1.0.1",
     "@types/triple-beam": "^1.3.2",