Pong comms

[loudapet]

"type" : "match_start"
"player1" : "username"
"player2" : "username"

• [ ] add api endpoint for api/user/info/<str: username>

"type" : "match_pause_server"
"match" : "start"
"match" : "end"

"type" : "match_pause_client"
"match" : "start"
"match" : "end"

"type" : "paddle_movement"
"direction" : "UP | DOWN"

"type" : "draw"
"ball_x" : "value",
"ball_y" : "value",
"paddle1_x" : "value", 
"paddle1_y" : "value",
"paddle2_x" : "value", 
"paddle2_y" : "value"
"player1_score": "value",
"player2_score": "value"