H-3844: Add CITATION file

[vilkinsons]

🌟 What is the purpose of this PR?

Adds a CITATION.cff file to the root of the repository, so that GitHub will show citation information in its UI when viewing this repository.

@TimDiekmann @CiaranMn If you have ORCiDs, please can you let me know?

[github-actions]

Benchmark results

@rust/hash-graph-benches – Integrations

representative_read_entity

Function	Value	Mean	Flame graphs
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/playlist/v/1	$$17.0 \mathrm{ms} \pm 249 \mathrm{μs}\left({\color{lightgreen}-29.183 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/block/v/1	$$16.3 \mathrm{ms} \pm 228 \mathrm{μs}\left({\color{gray}-3.038 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/person/v/1	$$16.9 \mathrm{ms} \pm 175 \mathrm{μs}\left({\color{gray}-1.712 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/building/v/1	$$17.7 \mathrm{ms} \pm 205 \mathrm{μs}\left({\color{red}8.13 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/uk-address/v/1	$$16.4 \mathrm{ms} \pm 209 \mathrm{μs}\left({\color{gray}-3.754 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/song/v/1	$$16.2 \mathrm{ms} \pm 228 \mathrm{μs}\left({\color{gray}-4.609 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/organization/v/1	$$17.6 \mathrm{ms} \pm 206 \mathrm{μs}\left({\color{red}6.94 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/book/v/1	$$16.8 \mathrm{ms} \pm 203 \mathrm{μs}\left({\color{lightgreen}-28.484 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	entity type ID: https://blockprotocol.org/@alice/types/entity-type/page/v/2	$$17.4 \mathrm{ms} \pm 227 \mathrm{μs}\left({\color{lightgreen}-22.463 \mathrm{\%}}\right) $$	Flame Graph

representative_read_multiple_entities

Function	Value	Mean	Flame graphs
entity_by_property	depths: DT=255, PT=255, ET=255, E=255	$$69.9 \mathrm{ms} \pm 344 \mathrm{μs}\left({\color{gray}1.21 \mathrm{\%}}\right) $$	Flame Graph
entity_by_property	depths: DT=0, PT=0, ET=0, E=0	$$42.2 \mathrm{ms} \pm 355 \mathrm{μs}\left({\color{gray}1.89 \mathrm{\%}}\right) $$	Flame Graph
entity_by_property	depths: DT=2, PT=2, ET=2, E=2	$$60.0 \mathrm{ms} \pm 422 \mathrm{μs}\left({\color{gray}0.456 \mathrm{\%}}\right) $$	Flame Graph
entity_by_property	depths: DT=0, PT=0, ET=0, E=2	$$46.0 \mathrm{ms} \pm 256 \mathrm{μs}\left({\color{gray}0.379 \mathrm{\%}}\right) $$	Flame Graph
entity_by_property	depths: DT=0, PT=0, ET=2, E=2	$$51.2 \mathrm{ms} \pm 272 \mathrm{μs}\left({\color{gray}0.082 \mathrm{\%}}\right) $$	Flame Graph
entity_by_property	depths: DT=0, PT=2, ET=2, E=2	$$56.1 \mathrm{ms} \pm 395 \mathrm{μs}\left({\color{gray}-0.190 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=255, PT=255, ET=255, E=255	$$106 \mathrm{ms} \pm 547 \mathrm{μs}\left({\color{gray}1.29 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=0, PT=0, ET=0, E=0	$$41.1 \mathrm{ms} \pm 197 \mathrm{μs}\left({\color{gray}-1.903 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=2, PT=2, ET=2, E=2	$$98.5 \mathrm{ms} \pm 479 \mathrm{μs}\left({\color{gray}2.32 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=0, PT=0, ET=0, E=2	$$80.0 \mathrm{ms} \pm 585 \mathrm{μs}\left({\color{gray}-0.742 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=0, PT=0, ET=2, E=2	$$91.6 \mathrm{ms} \pm 680 \mathrm{μs}\left({\color{gray}2.52 \mathrm{\%}}\right) $$	Flame Graph
link_by_source_by_property	depths: DT=0, PT=2, ET=2, E=2	$$93.0 \mathrm{ms} \pm 507 \mathrm{μs}\left({\color{gray}-0.453 \mathrm{\%}}\right) $$	Flame Graph

representative_read_entity_type

Function	Value	Mean	Flame graphs
get_entity_type_by_id	Account ID: d4e16033-c281-4cde-aa35-9085bf2e7579	$$2.15 \mathrm{ms} \pm 9.66 \mathrm{μs}\left({\color{gray}0.062 \mathrm{\%}}\right) $$	Flame Graph

scaling_read_entity_complete_one_depth

Function	Value	Mean	Flame graphs
entity_by_id	50 entities	$$5.39 \mathrm{s} \pm 537 \mathrm{ms}\left({\color{gray}0.857 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	5 entities	$$27.5 \mathrm{ms} \pm 309 \mathrm{μs}\left({\color{gray}1.31 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1 entities	$$20.8 \mathrm{ms} \pm 98.8 \mathrm{μs}\left({\color{gray}-2.196 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$57.5 \mathrm{ms} \pm 289 \mathrm{μs}\left({\color{gray}-0.160 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	25 entities	$$83.9 \mathrm{ms} \pm 558 \mathrm{μs}\left({\color{lightgreen}-52.090 \mathrm{\%}}\right) $$	Flame Graph

scaling_read_entity_linkless

Function	Value	Mean	Flame graphs
entity_by_id	1 entities	$$1.96 \mathrm{ms} \pm 6.93 \mathrm{μs}\left({\color{gray}0.496 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	100 entities	$$2.20 \mathrm{ms} \pm 12.7 \mathrm{μs}\left({\color{gray}2.59 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$1.97 \mathrm{ms} \pm 8.84 \mathrm{μs}\left({\color{gray}1.79 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1000 entities	$$2.91 \mathrm{ms} \pm 17.0 \mathrm{μs}\left({\color{gray}0.565 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10000 entities	$$9.45 \mathrm{ms} \pm 113 \mathrm{μs}\left({\color{gray}-4.070 \mathrm{\%}}\right) $$	Flame Graph

scaling_read_entity_complete_zero_depth

Function	Value	Mean	Flame graphs
entity_by_id	50 entities	$$4.06 \mathrm{ms} \pm 20.1 \mathrm{μs}\left({\color{gray}-1.809 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	5 entities	$$1.97 \mathrm{ms} \pm 8.09 \mathrm{μs}\left({\color{gray}0.275 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	1 entities	$$1.97 \mathrm{ms} \pm 8.88 \mathrm{μs}\left({\color{gray}0.881 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	10 entities	$$2.06 \mathrm{ms} \pm 8.20 \mathrm{μs}\left({\color{gray}-3.584 \mathrm{\%}}\right) $$	Flame Graph
entity_by_id	25 entities	$$3.29 \mathrm{ms} \pm 14.2 \mathrm{μs}\left({\color{gray}-0.149 \mathrm{\%}}\right) $$	Flame Graph