Add types

Author: bradlc

package-lock.json

@@ -244,6 +244,8 @@
     "@types/mocha": "^5.2.0",
     "@types/moo": "^0.5.3",
     "@types/node": "^13.9.3",
+    "@types/normalize-path": "^3.0.0",
+    "@types/semver": "^7.3.3",
     "@types/vscode": "^1.32.0",
     "@zeit/ncc": "^0.22.0",
     "chokidar": "^3.3.1",