docs: add Milestone 0 documentation for AlphaDrift project

- Introduced M0.mdx to outline the foundational aspects of the AlphaDrift project, focusing on the importance of reliable data in crypto trading.
- Detailed the development of key components such as the ProviderPool, FeatureStore, and initial strategy stubs.
- Emphasized the project's commitment to transparency, safety, and open collaboration in the DeFi space.

Author: yannvr