chore(nvim): don't show .null-ls_*

config/astronvim/lua/user/plugins/core.lua

@@ -57,6 +57,9 @@ return {
           '.DS_Store',
           'thumbs.db'
         },
+        never_show_by_pattern = { -- uses glob style patterns
+          ".null-ls_*",
+        },
       }
 
       return opts