Performance improvements & update dependencies

• Fetch weather data from 2 endpoints in parallel
• Upgrade react, react-dom, react-scripts, react-app-rewired
• Add maskable icon for android adaptable icon support for PWA

Show last update date, show old weather initially & update on async

Feat: Show old weather at launch  - fetch weather dynamically (#11)

* Feat: Show old weather at launch
- fetch weather dynamically
- closes #1

* Update version number

* Fix location null bug

* version update for 1.3.0 release

Minor: UI bug fixes

1.1.1

Fix: weather widget spacing (#8)

Add versioning & refresh banner

Feat: versioning & refresh banner (#7)

* versioning & refresh banner

* add version.json to network first strategy

* Change update banner style to be flex by default

* update app version