Modularization: Switch to oni-core-redux

[bryphe]

This splits out the redux folder into a separate npm package. There are several pieces of functionality that depend on creating a redux store (and we use the RequestAnimationFrameBatcher in all of them, for performance). Since this is now a separate package, other features that need a redux store could be factored out into a module or a plugin, and just pick up a dependency on this module.

[codecov]

Codecov Report

Merging #2284 into master will decrease coverage by 0.12%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2284      +/-   ##
==========================================
- Coverage   37.36%   37.23%   -0.13%     
==========================================
  Files         298      294       -4     
  Lines       12283    12256      -27     
  Branches     1612     1609       -3     
==========================================
- Hits         4589     4563      -26     
  Misses       7444     7444              
+ Partials      250      249       -1

Impacted Files	Coverage Δ
browser/src/UI/Shell/Shell.tsx	67.5% <100%> (ø)	⬆️
browser/src/Services/Language/LanguageStore.ts	95.83% <100%> (ø)	⬆️
browser/src/Services/Menu/Menu.ts	22.05% <100%> (ø)	⬆️
...er/src/Services/Notifications/NotificationStore.ts	85% <100%> (ø)	⬆️
...r/src/Services/WindowManager/WindowManagerStore.ts	58.33% <100%> (ø)	⬆️
browser/src/Services/Sidebar/SidebarStore.ts	13.43% <100%> (ø)	⬆️
browser/src/Services/Completion/CompletionStore.ts	69.06% <100%> (ø)	⬆️
browser/src/Services/Sneak/SneakStore.ts	95.65% <100%> (ø)	⬆️
...owser/src/Editor/NeovimEditor/NeovimEditorStore.ts	61.53% <100%> (ø)	⬆️
...ices/SyntaxHighlighting/SyntaxHighlightingStore.ts	26.31% <100%> (ø)	⬆️
... and 2 more

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