feat: migrating flow to typescript (#47)

This PR convert the code base to Typescript, the changes are the following:

- migrate code base to Typescript (3.4.x)
- enable `eslint` and `@typescript-eslint/eslint-plugin` (warnings still need to be addressed in future pull request
- update relevant dependencies for this PR (linting, etc)
- enable `bundlezise` (it was disabled for some reason)

* refactor: refactoring to typescript

* refactor: migrating to typescript

* refactor: applied feedbacks

* fix: fixed conflicts

* refactored: changed registry

* refactor: updated registry & removed unnecessary lib

* fix: fixed registry ur

* fix: fixed page load

* refactor: refactored footer wip

* refactor: converting to ts..wip

* refactor: converting to ts. wip

* refactor: converting to ts. wip

* refactor: converting to ts

* refactor: converting to ts

* fix: fixed load errors

* refactor: converted files to ts

* refactor: removed flow from tests

* fix: removed transpiled files

* refactor: added ts-ignore

* fix: fixed errors

* fix: fixed types

* fix: fixing jest import -.-

* fix: fixing lint errors

* fix: fixing lint errors

* fix: fixed lint errors

* refactor: removed unnecessary tsconfig's config

* fix: fixing errors

* fix: fixed warning

* fix: fixed test

* refactor: wip

* refactor: wip

* refactor: wip

* fix: fixing tests: wip

* wip

* wip

* fix: fixed search test

* wip

* fix: fixing lint errors

* fix: re-added stylelint

* refactor: updated stylelint script

* fix: fixed: 'styles.js'  were found.

* fix: fixed Search tests

* chore: enable eslint

eslint needs expecitely to know which file has to lint, by default is JS, in this case we need also ts,tsx files eslint . --ext .js,.ts

* chore: vcode eslint settings

* chore: restore eslint previous conf

* chore: clean jest config

* chore: fix eslint warnings

* chore: eslint errors cleared

chore: clean warnings

chore: remove github actions test phases

chore: remove dupe rule

* chore: update handler name

* chore: restore logo from img to url css prop

- loading images with css is more performant than using img html tags, switching this might be a breaking change
- restore no-empty-source seems the linting do not accept false
- update snapshots
- remove @material-ui/styles

* chore: update stylelint linting

* chore: update stylelint linting

* chore: fix a mistake on move tabs to a function

* chore: eanble bundlezie

* chore: use default_executor in circleci

* chore: update readme

src/components/Footer/__snapshots__/Footer.test.tsx.snap

@@ -0,0 +1,3 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<Footer /> component should load the initial state of Footer component 1`] = `"<div class=\\"css-i0nj2g ezbsl480\\"><div class=\\"css-hzfs9b ezbsl481\\"><div class=\\"css-d8nsp7 ezbsl482\\"> Made with<span class=\\"css-1so4oe0 ezbsl487\\">♥</span>on<span class=\\"css-1ie354y ezbsl484\\"><svg class=\\"ezbsl485 css-1kgp95j ek145dl0\\"><title>Earth</title><use xlink:href=\\"[object Object]#earth\\"></use></svg><span class=\\"css-8631ip ezbsl486\\"><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>Spain</title><use xlink:href=\\"[object Object]#spain\\"></use></svg><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>Nicaragua</title><use xlink:href=\\"[object Object]#nicaragua\\"></use></svg><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>India</title><use xlink:href=\\"[object Object]#india\\"></use></svg><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>Brazil</title><use xlink:href=\\"[object Object]#brazil\\"></use></svg><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>China</title><use xlink:href=\\"[object Object]#china\\"></use></svg><svg class=\\"ezbsl488 css-f1ndto ek145dl0\\"><title>Austria</title><use xlink:href=\\"[object Object]#austria\\"></use></svg></span></span></div><div class=\\"css-1wbzdyy ezbsl483\\">Powered by<span class=\\"ezbsl488 css-i15wza ek145dl1\\" name=\\"verdaccio\\" title=\\"Verdaccio\\"><img alt=\\"Verdaccio\\" src=\\"[object Object]\\" class=\\"css-1ncdhax ek145dl2\\"></span>/ v.1.0.0</div></div></div>"`;