Added tests of both node and Python.

See merge request cit/mathworks/jupyter-matlab-proxy!1

Author: dpwrussell

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+omit = setup.py,.venv/*

.gitignore

@@ -3,4 +3,8 @@
 __pycache__/
 build/
 dist/
-.venv/
+.venv/
+.vscode/
+htmlcov/
+.coverage
+jupyter_matlab_proxy/gui/

gui/package-lock.json

@@ -21,7 +21,8 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "coverage": "react-scripts test --coverage"
   },
   "eslintConfig": {
     "extends": "react-app"