[RssBridge] Add PATH_LIB
[RssBridge] Add PATH_LIB

Add constant PATH_LIB, pointing to '/lib' to make the include process
same for vendor and lib files.

Frenzie/rss-bridge,kranack/rss-bridge,kranack/rss-bridge,Riduidel/rss-bridge,sebsauvage/rss-bridge,RSS-Bridge/rss-bridge,kranack/rss-bridge,Frenzie/rss-bridge,ORelio/rss-bridge,Riduidel/rss-bridge,simonbru/rss-bridge,RSS-Bridge/rss-bridge,Riduidel/rss-bridge,simonbru/rss-bridge,RSS-Bridge/rss-bridge,ORelio/rss-bridge,kranack/rss-bridge,ORelio/rss-bridge