add time_setting table with seed and migration

packages/server/server/data/migrations/20200120215211_timeSetting.js

@@ -0,0 +1,15 @@
+const timeTypes = ['untimed','game', 'byoYomi', 'move'];
+
+exports.up = function(knex) {
+  return knex.schema.createTable("time_setting", table => {
+    table.increments('id').primary();
+    table.enu('main_time', timeTypes).notNullable();
+    table.integer('time_period').notNullable();             // number of periods
+    table.integer('period_length').notNullable();           // length in seconds
+    table.enu('overtime', timeTypes).notNullable();
+    table.integer('overtime_period').notNullable();         // number of periods
+    table.integer('overtime_length').notNullable();         // length in seconds
+  })
+};
+
+exports.down = knex => knex.schema.dropTableIfExists("time_setting");

packages/server/server/data/queries/timeSetting.js

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+const knex = require('../db')
+
+const findTimeSetting = async (timeSetting) => {
+  const timeQuery = {
+    main_time: timeSetting.mainTime, 
+    time_period: timeSetting.timePeriod, 
+    period_length: timeSetting.periodLength, 
+    overtime: timeSetting.overtime, 
+    overtime_period: timeSetting.overtimePeriod, 
+    overtime_length: timeSetting.overtimeLength
+  }
+  return await knex('time_setting')
+  .where({...timeSetting})
+  .select('id');
+}
+
+module.exports = {
+  findTimeSetting
+}

packages/server/server/data/seeds/timeSetting.js

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+
+exports.seed = function(knex) {
+  // Deletes ALL existing entries
+  return knex('time_setting').del()
+    .then(function () {
+      // Inserts seed entries
+      return knex('time_setting').insert([
+        {id: 1, main_time: 'untimed', time_period: 1, period_length: 0, overtime: 'untimed', overtime_period: 0, overtime_length: 0},
+      ]);
+    });
+};