Packaging: Add files for Ubuntu packaging (PPA)

packaging/ubuntu/debian/control

@@ -0,0 +1,17 @@
+Source: yamllint
+Section: devel
+Priority: optional
+Maintainer: Adrien Vergé <adrienverge@gmail.com>
+Build-Depends: debhelper (>= 8.0.0), python3-all, python3-setuptools, python3-yaml, python3-nose
+Standards-Version: 3.9.4
+Homepage: https://github.com/adrienverge/yamllint
+#Vcs-Git: git://git.debian.org/collab-maint/yamllint.git
+#Vcs-Browser: http://git.debian.org/?p=collab-maint/yamllint.git;a=summary
+
+Package: yamllint
+Architecture: any
+Depends: ${shlibs:Depends}, ${misc:Depends}, ${python3:Depends}, python3-yaml
+Description: A linter for YAML files
+ yamllint does not only check for syntax validity, but for weirdnesses like key
+ repetition and cosmetic problems such as lines length, trailing spaces,
+ indentation, etc.