ngs: add page (#7435)

pages/common/ngs.md

@@ -0,0 +1,16 @@
+# ngs
+
+> Scripting language created specifically for Ops.
+> More information: <https://github.com/ngs-lang/ngs>.
+
+- Execute a code snippet:
+
+`ngs -e "{{echo('ngs is executed')}}"`
+
+- Execute a script:
+
+`ngs {{path/to/script.ngs}}`
+
+- Print the version:
+
+`ngs --version`