Update introduction to use engine instead of library (#536)

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## Description
Update introduction to use engine instead of library

## Checklist

- [x] I am familiar with the [Contributing
Guidelines](https://github.com/NVIDIA/cuopt/blob/HEAD/CONTRIBUTING.md).
- Testing
   - [ ] New or existing tests cover these changes
   - [ ] Added tests
   - [ ] Created an issue to follow-up
   - [x] NA
- Documentation
   - [ ] The documentation is up to date with these changes
   - [x] Added new documentation
   - [ ] NA

Author: rgsl888prabhu

docs/cuopt/source/introduction.rst

@@ -2,7 +2,7 @@
 Introduction
 ==========================
 
-**NVIDIA® cuOpt™** is a GPU-accelerated optimization library that solves `Mixed Integer Linear Programming (MILP) <https://en.wikipedia.org/wiki/Linear_programming#Integer_unknowns>`_, `Linear Programming (LP) <https://en.wikipedia.org/wiki/Linear_programming>`_, and `Vehicle Routing Problems (VRP) <https://en.wikipedia.org/wiki/Vehicle_routing_problem>`_. It enables solutions for large-scale problems with millions of variables and constraints, offering seamless deployment across hybrid and multi-cloud environments.
+**NVIDIA® cuOpt™** is a GPU-accelerated optimization engine that solves `Mixed Integer Linear Programming (MILP) <https://en.wikipedia.org/wiki/Linear_programming#Integer_unknowns>`_, `Linear Programming (LP) <https://en.wikipedia.org/wiki/Linear_programming>`_, and `Vehicle Routing Problems (VRP) <https://en.wikipedia.org/wiki/Vehicle_routing_problem>`_. It enables solutions for large-scale problems with millions of variables and constraints, offering seamless deployment across hybrid and multi-cloud environments.
 
 Using accelerated computing, NVIDIA® cuOpt optimizes operations research and logistics by enabling better, faster decisions.
 

docs/cuopt/source/system-requirements.rst

@@ -56,7 +56,7 @@ Dependencies are installed automatically when using the pip and Conda installati
        - ARM64
 
    * GPU:
-      - NVIDIA H100 SXM (compute capability >= 9.0)
+      - NVIDIA H100 SXM (compute capability >= 9.0) and above
 
    * CPU:
       - 32+ cores