Add a brief README

README.md

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+# mmesh
+
+`mmesh` is a C library developed by Alexis Naveros, designed to support meshing
+algorithms and routines.
+
+The decimation algorithm provides robust mesh simplification, reducing the
+number of vertices and triangles while preserving the mesh's overall shape and
+features. It is based on the use of quadric error metrics (QEM), a widely
+adopted method in geometry processing.  The implementation maintains a queue of
+candidate collapses, always selecting the operation with the lowest geometric
+error.  It also applies heuristics to maintain important features and prevent
+excessive distortion, such as compactness and boundary weighting.
+
+The mesh optimization routines reorder and optimize triangle meshes for
+improved vertex cache locality, reducing rendering costs in real-time graphics
+pipelines. The core goals are to minimize the Average Cache Miss Rate (ACMR)
+and optimize the order of triangle indices for GPU efficiency.
+The optimizer approach is inspired by approaches such as Forsyth's and Tipsy's
+algorithms but includes custom scoring and parallelization strategies.
+