Marketing open source project - pay per star -- 2

I maintain a fully open-source application and I want its GitHub star count to reflect the quality of the code. The single objective is to boost overall visibility; every tactic you propose should be aimed at turning new eyes into new stars... (Budget: €8 - €30 EUR, Jobs: Content Creation, Content Marketing, Digital Marketing, Facebook Marketing, Internet Marketing, Marketing Strategy, SEO, Social Media Management, Social Media Marketing, Twitter)