Add repository to metadata

Author: Hendrik van Antwerpen

crates/geo_filters/Cargo.toml

@@ -3,6 +3,7 @@ name = "geo_filters"
 version = "0.1.0"
 edition = "2021"
 description = "Geometric filters for set cardinality estimation."
+repository = "https://github.com/github/rust-gems"
 license = "MIT"
 keywords = ["probabilistic", "algorithm", "cardinality", "estimation"]
 categories = ["algorithms", "data-structures", "mathematics", "science"]