repo: Add repository metadata file

`meta.yml` is used to include repository URL, About section (Description) and tags
in the PR review workflow.
It is not synchronized with the actual repository metadata.

Author: NickVolynkin

.github/meta.yml

@@ -1,4 +1,4 @@
 # GitHub Repository metadata
 url: vcl-reports-store-layout-template-file
-description: This example stores a report layout (XML-based template) within a text file.  
-tags: [vcl, reports, layout, file]
+description: Import/save report layouts from/to text files in DevExpress VCL applications.
+tags: [vcl, reports, layout, file, export, import]