[191][123] Terms and Conditions popup fix

[alexrivaldy]

https://trello.com/c/5dlBRDDj/123-display-tc-pop-up-when-the-app-is-opened-for-the-first-time-2 https://trello.com/c/vk8IZniJ/191-pp-tc-link-is-not-available-for-voiceover-voice-control

• used markdown for the T&C popup content
• ensure that the agree and continue button is still shown when font size is enlarged
• voiceover in IOS is able to read the content
• scale the agree and continue button

Android

Normal

light	dark

Large font size

iOS

Normal

light	dark

Voiceover

Large font size