Migration to styled-components

[alejandronanez]

Here's a list based off @andrewda's list for adding unit tests to the app (#518), feel free to add/remove components if you think it's necessary.

For newcomers:

1. Choose the component you want to style
2. Comment here which component you'd like to work on
3. We'll update this list with your name
4. Make sure to include "before" and "after" screenshots in your submitted PR

Loaders

• LoadingListItem (@machour - refactor(styled-components): migrate LoadingListItem #790)
• LoadingMembersList (unclaimed)
• LoadingRepositoryListItem (unclaimed)
• LoadingRepositoryProfile (unclaimed)
• LoadingUserListItem (@machour - refactor(styled-components): migrate LoadingUserListItem #791)
• LoadingModal (@machour - refactor(styled-components): migrate LoadingModal #792)

Components

• IssueListItem (@josenaranjo - refactor(styles): Migrate IssueListItem to Styled Components #578)
• RepositoryProfile (@shmesa22 - PR Pending)

Screens

issue

• EditIssue (unclaimed)
• IssueSettings (unclaimed)
• NewIssue (unclaimed)
• PullMerge (unclaimed)

repository

• IssueList (unclaimed)
• PullDiff (unclaimed)
• PullList (unclaimed)
• ReadMe (unclaimed)
• RepositoryCodeList (unclaimed)
• RepositoryFile (unclaimed)
• Repository (@machour - refactor: switch RepositoryScreen to styled components #788)

Done:

• Auth (@ZahraTee - refactor(auth): migrate auth screens to styled-components #702)
• Login (@machour - refactor: switch LoginScreen to styled components #787)
• Notifications (@ZahraTee - refactor: migrate notifications screen to styled-components #684)
• Organization (@ZahraTee - refactor: migrate organization screen to styled-components #682)
• Search (@Arjun-sna - refactor(ui): Migrate search screen to styled components #710)
• User (@ZahraTee - refactor: migrate user repo list screen to styled-components #683)
• Badge (@jpls93 – refactor(badge): refactor badge component to use styled-components #535)
• LoadingContainer (@machour - chore: revert changes regarding ip.txt #782)
• CodeLine (@josenaranjo – style(component): Updating CodeLine component to use Styled-components #561)
• CommentInput (@shmesa22 – refactor: comment input to styled components #596)
• CommentListItem (@chinesedfan - refactor: use styled-components in comment-list-item #723)
• DiffBlocks (@machour – refactor(diff-blocks): switch to styled components #692)
• EntityInfo (@MrLoh - refactor: use styled-components in entity-info #558)
• ImageZoom (@MrLoh - refactor: use styled-components in image-zoom #559)
• InlineLabel (@binkpitch – refactor(inline-label): migrate inline-label to styled component #544)
• IssueDescription (@josenaranjo - refactor(styles): IssueDescription component styles update #563)
• IssueEventListItem (@josenaranjo - refactor(styles): Refactor IssueEventListItem component #564)
• LabelButton (@chinesedfan - chore(label): Migrate LabelButton #727)
• LabelListItem (@pdong – chore(*): convert label-list-item component styles to styled component #509)
• Members (@shmesa22 - refactor: members to styled components #606)
• MentionArea (@binkpitch – refactor(mention-area): migrate mention-area to styled component #553)
• NotificationIcon (@pdong – chore(*): convert notification icon styles to styled-component #510)
• NotificationListItem (@LeoCp - refactor: NotificationListItem to used styled-components #610)
• ParallaxScroll (@shmesa22 - refactor: parallax scroll to styled components #607)
• RepositoryListItem (@apoeco - refactor: repository-list-item to styled components #605)
• RepositorySectionTitle (Useless component, see chore: remove unused component #730)
• SectionList (@jamesg1 - refactor: Updated section-list styles to used styled-components #608)
• StateBadge (@rkpasia - Refactor StateBadge component #715)
• ViewContainer (@pdong – chore(*): style view-container.component.js #508)
• UserListItem (@shmesa22 - refactor: use styled-components in user-list-item #601)
• UserProfile (@chinesedfan – refactor(user-profile): use styled-components #724)
• SearchBarAndroid (can't be migrated)