[Murano Docs] Add importing an app package HowTo

This patch adds a HowTo instruction on importing an application package:
- from a zip file
- from murano applications repository
- from bundles of applications
Also adds a "figures" folder with necessary for this HowTo screenshots
 inside.
Removes the "From a local bundle of applications" section as it refers
 to CLI.
Change-Id: Ic6fb75a0610c23e8920e4c2aca54876bc2dec2e0

doc/source/draft/enduser-guide/manage_applications.rst

@@ -10,17 +10,94 @@ Managing applications
 Import an application package
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+There are several ways of importing an application package into
+murano:
+
+* from a zip file
+* from murano applications repository
+* from bundles of applications
+
 From a zip file
 ---------------
 
+Perform the following steps to import an application package from a
+.zip file:
+
+#. In horizon, navigate to Murano > Manage > Package Definitions.
+#. Click the **Import Package** button on the top right of the page.
+
+   .. image:: figures/import_package.png
+
+#. From the **Package source** drop-down list choose **File**, then
+   click **Browse** to select a .zip file you want to import, and
+   then click **Next**.
+
+   .. image:: figures/browse_zip_file.png
+
+#. At this step, the package is already uploaded. If necessary,
+   verify and update the information about the package, then
+   click **Next**.
+#. Optional: choose one or multiple categories from
+   the **Application Category** menu and click the **Create** button.
+
+.. note::
+  Though specifying a category is optional, we recommend that you
+  specify at least one. It helps to filter applications in the
+  catalog.
+
+| A message `Success: Package parameters successfully updated.`
+  appears at the top right corner when the application is successfully
+  downloaded.
+
 From a repository
 -----------------
 
+Perform the following steps to import an application package from
+murano applications repository:
+
+.. note::
+  To import an application package from a repository, you need to
+  know the full name of the package. For the packages names, go to
+  http://apps.openstack.org/#tab=murano-apps and click on the desired
+  package to see its full name.
+
+#. In horizon, navigate to Murano > Manage > Package Definitions.
+#. Click the **Import Package** button on the top right of the page.
+
+   .. image:: figures/import_package.png
+
+#. From the **Package source** drop-down list, choose **Repository**,
+   enter the package name, and then click **Next**. Note that you may
+   also specify the version of the package.
+
+   .. image:: figures/repository.png
+
+#. At this step, the package is already uploaded. If necessary,
+   verify and update in the information about the package, then
+   click **Next**.
+#. Choose one or multiple categories from the **Application Category**
+   menu, then click **Create**.
+
 From a bundle of applications
 -----------------------------
 
-From a local bundle of applications
------------------------------------
+Perform the following steps to import a bundle of applications:
+
+.. note::
+  To import an application bundle from a repository, you need
+  to know the full name of the package bundle. To find it out, go
+  to http://apps.openstack.org/#tab=murano-apps and click on the
+  desired bundle to see its full name.
+
+#. In horizon, navigate to Murano > Manage > Package Definitions.
+#. Click the **Import Bundle** button on the top right of the page.
+
+   .. image:: figures/import_bundle.png
+
+#. From the **Package Bundle Source** drop-down list, choose
+   **Repository**, enter the bundle name, and then click **Create**.
+
+   .. image:: figures/bundle_name.png
 
 Search for an application in the catalog
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~