add entry. fix mach machine

catalog.yaml

@@ -1,6 +1,7 @@
 ab:
   fullname: Apache Benchmark
   desc: a tool for benchmarking your Apache Hypertext Transfer Protocol (HTTP) server
+  website: https://httpd.apache.org/docs/2.4/programs/ab.html
 
 arc:
   desc: Easily create & extract archives, and compress & decompress files of various formats
@@ -53,6 +54,10 @@ d2:
   website: https://d2-lang.com/
   github: terrastruct/d2
 
+diskonaut:
+  desc: Terminal disk space navigator, disk tree-map
+  github: imsnif/diskonaut
+
 dslcad:
   desc: a programming language & interpreter for building 3D models
   github: DSchroer/dslcad
@@ -199,6 +204,10 @@ outrun:
   github: Overv/outrun
   pip:
 
+pagefind:
+  desc: Static low-bandwidth search at scale 
+  github: CloudCannon/pagefind
+
 pandoc:
   desc: Universal markup converter 
   website: https://pandoc.org/