Add ANISE and hifitime examples (#5783)

Author: ChristopherRabotin

README.md

@@ -183,6 +183,7 @@ about this topic.
 
 ## Examples
 
+- [anise](https://github.com/nyx-space/anise) _A modern, high-performance toolkit for spacecraft mission design, notably used to help softly land Firefly Blue Ghost on the Moon on 02 Feb 2025._
 - [arro3](https://github.com/kylebarron/arro3) _A minimal Python library for Apache Arrow, connecting to the Rust arrow crate._
     - [arro3-compute](https://github.com/kylebarron/arro3/tree/main/arro3-compute) _`arro3-compute`_
     - [arro3-core](https://github.com/kylebarron/arro3/tree/main/arro3-core) _`arro3-core`_
@@ -206,6 +207,7 @@ about this topic.
 - [geo-index](https://github.com/kylebarron/geo-index) _A Rust crate and [Python library](https://github.com/kylebarron/geo-index/tree/main/python) for packed, immutable, zero-copy spatial indexes._
 - [granian](https://github.com/emmett-framework/granian) _A Rust HTTP server for Python applications._
 - [haem](https://github.com/BooleanCat/haem) _A Python library for working on Bioinformatics problems._
+- [hifitime](https://github.com/nyx-space/hifitime) _A high fidelity time management library for engineering and scientific applications where general relativity and time dilation matter._
 - [html2text-rs](https://github.com/deedy5/html2text_rs) _Python library for converting HTML to markup or plain text._
 - [html-py-ever](https://github.com/PyO3/setuptools-rust/tree/main/examples/html-py-ever) _Using [html5ever](https://github.com/servo/html5ever) through [kuchiki](https://github.com/kuchiki-rs/kuchiki) to speed up html parsing and css-selecting._
 - [hudi-rs](https://github.com/apache/hudi-rs) _The native Rust implementation for Apache Hudi, with C++ & Python API bindings._