Create build config. Using dune (and opam)

README.md

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 # OCaml-Raytracer
-A simple OCaml Raytracer
+A simple OCaml Raytracer based on my notes from the Cambridge Graphics course and the ''Fundamental of
+Computer Graphics'' book.
+
+A functional realization of a raytracer taking advantage of
+OCaml's module system and algebraic data types; in an attempt
+to generalize the interfaces of components within a raytracer. 
+
+Some features of the ray tracer:
+- Surfaces: Spheres and planes.
+- Materials: Lambertian, Metallic and Dielectric materials.
+- Camera: Defined using a viewer, view plane and projection.
+- Gamma correction. 
+
+Images are stored in a PPM format, with `image.ml` ported from FoCS tick 5 (Thanks [Anil](https://github.com/avsm)!).
+
+An example scene (specified by Peter Shirley's mini-book series [Raytracing in One Weekend](https://raytracing.github.io/)):
+![Scene](./image.ppm)
+

bin/dune

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+(executable
+    (public_name main)
+    (name main)
+    (libraries raytracer))

dune-project

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+(lang dune 1.2)
+(name ocaml_raytracer)

dune-workspace

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+(lang dune 1.2)
+(context default)
+(env
+    (dev
+        (flags (:standard -w -6))))

src/dune

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+(library
+    (name raytracer)
+    (libraries base stdio))
+
+(include_subdirs unqualified)