Security fixes

Dependabot security fixes for the frontend.

Dependency bumps

Security updates from dependabot.

Transactions Fix

• Fixes issue with transactions not showing even if a user actually made one #69

Frontend Time!!!

• Adds a frontend that users can access
• Users can now add custom alerts to their choosing!!! (no more "chitty chitty chit chat")
• Changed up a lot of code
• FIXED MESSAGES
• Frontend is currently basic but will be refined in later releases

Start up message update

Updated start up message to make more sense as well as point to issues link if someone needs to create an issue.

Quick fix

Fixes issue in #55 with check against game types.

Auto configure

• Bot now auto configures itself with the yahoo game key for the season based on what the user inputted for the league game key type
• Updated README
• Updated heroku setup json file to now require users to enter env variables to make sure everything has been configured properly before they even start the bot
• Clean up

Fixes bug with environment variables

v2.2.1

Closes #52

Adds configuration option

Option to now opt in to "Close Score Updates" because of #52.

Bug fixes

• updated to rx java 3 and added rx relays
• removed explicit unwrapping in server code in favor of exception handling that is propagated to the user visually
• fixed message headers and removed most emojis since they were not needed and were distracting
• added back jobs thats were removed by contributor (missed in PR review)
• removed unused imports
• general clean up