gnu: Add guile-kracht.

* gnu/packages/guile-xyz.scm (guile-kracht): New variable.

Change-Id: I51fc2fcabf41db0e17bb9347c156600a8af071b0
Signed-off-by: jgart <jgart@dismail.de>

gnu/packages/guile-xyz.scm

@@ -1178,6 +1178,34 @@ is not available for Guile 2.0.")
        (modify-inputs (package-native-inputs guile-fibers)
          (replace "guile" guile-next))))))
 
+(define-public guile-kracht
+  (package
+    (name "guile-kracht")
+    (version "0.2.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://codeberg.org/jjba23/kracht.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0mcyi3a6vpqm4z01rcmv6fqhf7gayppa9yib76jqrihxv8w70m5g"))))
+    (build-system guile-build-system)
+    (native-inputs (list guile-3.0))
+    (arguments
+     (list
+      #:source-directory "src"))
+    (home-page "https://codeberg.org/jjba23/kracht")
+    (synopsis
+     "Utility methods and functionalities for Guile Scheme programming")
+    (description
+     "Kracht provides helpful and convenient functionalities that can help you
+develop more comfortably in your Guile Scheme project.  You can see it as a
+batteries-included addition to the (already great) standard library,
+complementing it, and helping developers write cleaner code.")
+    (license license:lgpl3+)))
+
 (define-public guile-filesystem
   (package
     (name "guile-filesystem")