Add Custom Textfield to v0.67

[alphatrl]

Custom Textfield v1

React Native: v0.67.5

Features/Modifications:

1. New editorInput props, for modified version of textinput
2. Return key will not make new line
3. Underline highlight
4. Gapless underline taken from here

iOS Build

No additional steps needed

Android Build

Build AAR with docker reactnativecommunity/react-native-android with tag 4

docker run --rm --name rn-build -v $PWD:/pwd -w /pwd reactnativecommunity/react-native-android:4 /bin/sh -c "./gradlew installArchives"

Commit:

# create .aar, then:
git add android --force
git commit -m 'my release commit'
git push

From Building from source