Add task category and link to EarthEmbeddingExplorer paper

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Adding SSL4EO embeddings based on S2L1C Major-TOM with metadata and readme version 1.0