fix: rename leaderboard 'train' -> 'puzzles'

Author: kevinjosethomas

src/components/Leaderboard/LeaderboardColumn.tsx

@@ -2,8 +2,8 @@ import React from 'react'
 import { LeaderboardEntry } from 'src/components'
 
 interface Props {
-  id: 'regular' | 'train' | 'turing' | 'hand' | 'brain'
-  name: 'Regular' | 'Train' | 'Bot/Not' | 'Hand' | 'Brain'
+  id: 'regular' | 'puzzles' | 'turing' | 'hand' | 'brain'
+  name: 'Regular' | 'Puzzles' | 'Bot/Not' | 'Hand' | 'Brain'
   icon: React.JSX.Element
   ranking: {
     display_name: string

src/components/Leaderboard/LeaderboardEntry.tsx

@@ -7,8 +7,8 @@ import { useLeaderboardContext } from './LeaderboardContext'
 
 interface Props {
   index: number
-  typeId: 'regular' | 'train' | 'turing' | 'hand' | 'brain'
-  type: 'Regular' | 'Train' | 'Bot/Not' | 'Hand' | 'Brain'
+  typeId: 'regular' | 'puzzles' | 'turing' | 'hand' | 'brain'
+  type: 'Regular' | 'Puzzles' | 'Bot/Not' | 'Hand' | 'Brain'
   display_name: string
   elo: number
 }
@@ -63,7 +63,7 @@ export const LeaderboardEntry = ({
       gamesKey = 'regularGames'
       gamesWonKey = 'regularWins'
       break
-    case 'train':
+    case 'puzzles':
       ratingKey = 'trainRating'
       highestRatingKey = 'trainMax'
       gamesKey = 'trainGames'

src/pages/leaderboard.tsx

@@ -20,8 +20,8 @@ const Leaderboard: React.FC = () => {
     {
       icon: React.JSX.Element
       ranking: { display_name: string; elo: number }[]
-      name: 'Regular' | 'Train' | 'Bot/Not' | 'Hand' | 'Brain'
-      id: 'regular' | 'train' | 'turing' | 'hand' | 'brain'
+      name: 'Regular' | 'Puzzles' | 'Bot/Not' | 'Hand' | 'Brain'
+      id: 'regular' | 'puzzles' | 'turing' | 'hand' | 'brain'
     }[]
   >()
 
@@ -55,9 +55,9 @@ const Leaderboard: React.FC = () => {
         ranking: lb.play_leaders,
       },
       {
-        id: 'train',
+        id: 'puzzles',
         icon: <TrainIcon />,
-        name: 'Train',
+        name: 'Puzzles',
         ranking: lb.puzzles_leaders,
       },
       {