zek: add page (#7888)

pages/common/zek.md

@@ -0,0 +1,16 @@
+# zek
+
+> Generate a Go struct from XML.
+> More information: <https://github.com/miku/zek>.
+
+- Generate a Go struct from a given XML from stdin and display output on stdout:
+
+`cat {{path/to/input.xml}} | zek`
+
+- Generate a Go struct from a given XML from stdin and send output to a file:
+
+`curl -s {{https://url/to/xml}} | zek -o {{path/to/output.go}}`
+
+- Generate an example Go program from a given XML from stdin and send output to a file:
+
+`cat {{path/to/input.xml}} | zek -p -o {{path/to/output.go}}`