Add some packages of mine

alg, category, constraint, filtrable, hs-functors, lenz, unconstrained, util

build-constraints.yaml

@@ -3307,6 +3307,16 @@ packages:
     "ALeX Kazik <alex@kazik.de> @alexkazik":
         - qnap-decrypt
 
+    "Matthew Farkas-Dyck <strake888@gmail.com> @strake":
+        - alg
+        - category
+        - constraint
+        - filtrable
+        - hs-functors
+        - lenz
+        - unconstrained
+        - util
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056