Add description, homepage, and repository to Cargo.toml

Co-authored-by: Kevin Liu <kevinjqliu@users.noreply.github.com>

Author: timsaucer

crates/core/Cargo.toml

@@ -21,6 +21,9 @@ version.workspace = true
 edition.workspace = true
 rust-version.workspace = true
 license.workspace = true
+description.workspace = true
+homepage.workspace = true
+repository.workspace = true
 include = [
   "src",
   "datafusion",