gnu: Add assimp-5.0.

* gnu/packages/graphics.scm (assimp-5.0): New variable.

gnu/packages/graphics.scm

@@ -33,6 +33,7 @@
 ;;; Copyright © 2022 Tobias Kortkamp <tobias.kortkamp@gmail.com>
 ;;; Copyright © 2022 Paul A. Patience <paul@apatience.com>
 ;;; Copyright © 2022 dan <i@dan.games>
+;;; Copyright © 2023 Sharlatan Hellseher <sharlatanus@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -594,6 +595,20 @@ vertices, sorting by primitive type, merging of redundant materials and many
 more.")
     (license license:bsd-3)))
 
+(define-public assimp-5.0
+  (package
+    (inherit assimp)
+    (version "5.0.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/assimp/assimp")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name "assimp" version))
+              (sha256
+               (base32
+                "1w2484lg823bql7lpfq84vnsfsnag5v65qrbphslj866z9ia68l7"))))))
+
 (define-public mikktspace
   ;; The latest commit is used as there is no release.
   (let ((commit   "3e895b49d05ea07e4c2133156cfa94369e19e409")