refactor: Move selectors to their own file

Author: kyranjamie

pages/maker/index.js

@@ -2,7 +2,7 @@ import React, { useEffect } from 'react'
 import { Flex, Box, Type } from 'blockstack-ui'
 import { connect } from 'react-redux'
 
-import { selectMaker, selectAppList, selectCurrentApp } from '@stores/maker/reducer'
+import { selectMaker, selectAppList, selectCurrentApp } from '@stores/maker/selectors'
 import { fetchApps, selectAppAction } from '@stores/maker/actions'
 import { selectApiServer, selectUser } from '@stores/apps/selectors'
 import { Page } from '@components/page'

stores/maker/reducer.js

@@ -74,7 +74,3 @@ function makerReducer(state = initialState, action) {
 }
 
 export default makerReducer
-
-export const selectMaker = state => state.maker
-export const selectAppList = state => state.maker.appIds.map(id => state.maker.appEntities[id])
-export const selectCurrentApp = state => state.maker.appEntities[state.maker.selectedAppId]