PRIVATE: update small graph logo
PRIVATE : Rename OpenAIRE Research Graph to OpenAIRE Graph
PRIVATE: new menus and page changes to link to new graph documentation pages
PRIVATE new look and feel to match the graph.openaire.eu layout
PRIVATE : update footer links, add grant id
PRIVATE: New look and feel - coomon through the portals
Added HTML files for api documentation based on uikit