Add TODO to migrate SimHash consts to configuration

Author: itsibitzi

crates/geo_filters/src/diff_count/sim_hash.rs

@@ -11,6 +11,10 @@ use crate::Diff;
 
 use super::BitVec;
 
+// TODO migrate these const values to be defined in configuration
+// The current values are only really appropriate for smaller
+// configurations
+
 /// Number of bits covered by each SimHash bucket.
 pub const SIM_BUCKET_SIZE: usize = 6;
 /// Number of consecutive SimHash buckets used for searching.