docs: additional metadata

Author: artemrys

mkdocs.yml

@@ -1,4 +1,11 @@
 site_name: solnlib
+site_author: Splunk
+site_url: "https://splunk.github.io/solnlib/"
+edit_uri: "tree/main/docs/"
+remote_branch: gh-pages
+
+repo_name: Splunk Solutions Library
+repo_url: "https://github.com/splunk/addonfactory-solutions-library-python"
 
 theme:
   name: "material"