This pull request introduces the new InvestorStartup model to establish a many-to-many relationship between investors and startups.
Creation of the InvestorStartup model with investor_id and startup_id fields, linking investors to startups.
Added DateTimeField to track when a startup is saved by an investor.
Utilization of Django's ForeignKey for model relationships.
Create tests for InvestorStartup model
This pull request introduces the new InvestorStartup model to establish a many-to-many relationship between investors and startups.