Change README to markdown format.

Add translation status overview.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit fe68422ad6)

README.md

@@ -19,10 +19,10 @@ a bitmap image in a vector one (.eps or .svg format as an example)
 so that they can be scaled, rotated, and transformed in general without
 loss of quality.
 
+.
 
-
-CONTRIBUTING
-==============
+Contributing
+--------------
 
 If you wish to contribute Potracegui, you might do so:
 
@@ -31,3 +31,15 @@ If you wish to contribute Potracegui, you might do so:
 
 - TDE Weblate Translation Workspace (TWTW) collaboration tool.
   https://mirror.git.trinitydesktop.org/weblate
+
+
+Translations status
+---------------------
+
+### messages
+[![Translations status](https://mirror.git.trinitydesktop.org/weblate/widgets/applications/-/potracegui/multi-auto.svg
+"Engage in translating")](https://mirror.git.trinitydesktop.org/weblate/projects/applications/potracegui/)
+
+### desktop files
+[![Translations status](https://mirror.git.trinitydesktop.org/weblate/widgets/applications/-/potracegui-potraceguidesktop/multi-auto.svg
+"Engage in translating")](https://mirror.git.trinitydesktop.org/weblate/projects/applications/potracegui-potraceguidesktop/)