feat: search standard libs in ../share/ (#259)

Author: Derisis13

vhdl_lang/src/config.rs

@@ -205,6 +205,7 @@ impl Config {
             "../vhdl_libraries",
             "../../vhdl_libraries",
             "/usr/lib/rust_hdl/vhdl_libraries",
+            "../share/vhdl_libraries"
         ];
 
         for dir in search_paths.into_iter() {