Add index.norg as extra pattern detection for project

lua/plugins/project.lua

@@ -4,6 +4,8 @@ return {
     event = { "BufReadPre", "BufNewFile" },
     config = true,
     opts = {
+        detection_methods = { "lsp", "pattern" },
+        patterns = { ".git", "_darcs", ".hg", ".bzr", ".svn", "Makefile", "package.json", "index.norg" },
         ignore_lsp = { "null-ls" },
         show_hidden = true,
         silent_chdir = true,