daps: add page (#7299)

pages/common/daps.md

@@ -0,0 +1,24 @@
+# daps
+
+> DAPS is an open source program for transforming DocBook XML into output formats such as HTML or PDF.
+> More information: <https://opensuse.github.io/daps/doc/index.html>.
+
+- Check if a DocBook XML file is valid:
+
+`daps -d {{path/to/file.xml}} validate`
+
+- Convert a DocBook XML file into PDF:
+
+`daps -d {{path/to/file.xml}} pdf`
+
+- Convert a DocBook XML file into a single HTML file:
+
+`daps -d {{path/to/file.xml}} html --single`
+
+- Display help:
+
+`daps --help`
+
+- Display version:
+
+`daps --version`