[Frontend] Frontend tests (#94)

* simulation input box

* Merging from main

* Charts, Example, Guest all working - test cases

* Renamed Log-in - purpose is to  store username/pass

* Test coverage partially works - app.jsx

* code coverage completely working

* Modified: Basic info test cases fixed

* Added a test to guest - logout

* Added: Investment types test cases

* Added: Investments test cases

* View Scenario added

* Modified: Investments test cases

* ReadME updated

* Added: EventSeriesForm, Limits, and Roth test cases

* Added readme

* Updated: git ignore to compensate the log

* Modified: to satisfy eslint

---------

Co-authored-by: sangeetavarri <sangeetavarri@gmail.com>
Co-authored-by: Ka Long Ngai <kls8162@gmail.com>

Author: 3 people

.gitignore

@@ -29,4 +29,9 @@ dist-ssr
 
 # Ka Long Defined local file
 init.js
-verifyGuest.js
+verifyGuest.js
+
+# testing
+*.nyc_output
+*.coverage
+*.playwright-report