feat: Adding new options (options.allowDots)

Adding new option/feature, options.allowDots that is used for skipping the sanitization of data that has .(dot). This can be useful for nested document quering for mongoDb: https://docs.mongodb.com/manual/tutorial/query-embedded-documents/

Creating new tests that include the new option

Updating the documentation (README.md) file for the new option

Adressing issue: #36

Author: Blagoj5

index.js

@@ -101,7 +101,11 @@ function middleware(options) {
         req[k] = sanitize(
           req[k],
           options,
-          options?.allowDots ? TEST_REGEX_WITHOUT_DOT : TEST_REGEX
+          options
+            ? options.allowDots
+              ? TEST_REGEX_WITHOUT_DOT
+              : TEST_REGEX
+            : null
         );
       }
     });