fix(parser): remove mandatory period requirement for sign text

src/main/java/party/cybsec/oyeshops/parser/SignParser.java

@@ -58,11 +58,6 @@ public class SignParser {
         // concatenate all lines with spaces
         String fullText = String.join(" ", lines);
 
-        // REQUIREMENT: must contain "." to be parsed as a shop
-        if (!fullText.contains(".")) {
-            return null;
-        }
-
         // normalize text
         String normalized = normalize(fullText);