Hyperlinks in Getting Started

[jurij-jukic]

• renamed 'Tutorial: Build and Deploy an App' to 'My First Kinode Application' as that's how it was referenced throughout Getting Started
• fixed hyperlinks which pointed to the first page in the section rather than the overview of the section. E.g. 'My First Kinode Application' link pointing to 'Environment Setup' page rather than 'My First Kinode Application' page