fix: set resources_dir on FreeBSD

Author: charlesrocket

src/os/resourcesdir.zig

@@ -55,6 +55,15 @@ pub fn resourcesDir(alloc: std.mem.Allocator) !?[]const u8 {
             }
         }
 
+        // On FreeBSD, we look for /usr/local/share path.
+        if (comptime builtin.target.os.tag == .freebsd) {
+            inline for (sentinels) |sentinel| {
+                if (try maybeDir(&dir_buf, dir, "local/share", sentinel)) |v| {
+                    return try std.fs.path.join(alloc, &.{v});
+                }
+            }
+        }
+
         // On all platforms, we look for a /usr/share style path. This
         // is valid even on Mac since there is nothing that requires
         // Ghostty to be in an app bundle.