Feat/161 (#186)

* feat(time): add optional time format
* feat(time): show 12 hour time in stage timer
* feat(time): override locally
* feat(time): show timer in selected format
* feat(time): show 12 hour time in table header
* refactor: extract time formatting into utility
* refactor: migrate datetime library
* refactor(formatTime): centralise time formatting for viewers
* feature(12hour): version bump

client/src/common/context/LocalEventSettingsContext.jsx

@@ -1,32 +0,0 @@
-import React, { createContext, useState } from 'react';
-
-export const LocalEventSettingsContext = createContext({
-  showQuickEntry: false,
-  starTimeIsLastEnd: true,
-  defaultPublic: true,
-
-  setShowQuickEntry: () => undefined,
-  setStarTimeIsLastEnd: () => undefined,
-  setDefaultPublic: () => undefined,
-});
-
-export const LocalEventSettingsProvider = ({ children }) => {
-  const [showQuickEntry, setShowQuickEntry] = useState(false);
-  const [starTimeIsLastEnd, setStarTimeIsLastEnd] = useState(true);
-  const [defaultPublic, setDefaultPublic] = useState(false);
-
-  return (
-    <LocalEventSettingsContext.Provider
-      value={{
-        showQuickEntry,
-        setShowQuickEntry,
-        starTimeIsLastEnd,
-        setStarTimeIsLastEnd,
-        defaultPublic,
-        setDefaultPublic,
-      }}
-    >
-      {children}
-    </LocalEventSettingsContext.Provider>
-  );
-};