feat: add summarization audit type (#987)

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## Related Issues


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Author: duynguyen

packages/spacecat-shared-data-access/src/models/audit/audit.model.js

@@ -61,6 +61,7 @@ class Audit extends BaseModel {
     READABILITY: 'readability',
     PRERENDER: 'prerender',
     PRODUCT_METATAGS: 'product-metatags',
+    SUMMARIZATION: 'summarization',
   };
 
   static AUDIT_TYPE_PROPERTIES = {

packages/spacecat-shared-data-access/test/unit/models/audit/audit.model.test.js

@@ -188,11 +188,12 @@ describe('AuditModel', () => {
       READABILITY: 'readability',
       PRERENDER: 'prerender',
       PRODUCT_METATAGS: 'product-metatags',
+      SUMMARIZATION: 'summarization',
     };
 
     it('should have all audit types present in AUDIT_TYPES', () => {
       expect(auditTypes).to.eql(expectedAuditTypes);
-      expect(Object.keys(auditTypes)).to.have.lengthOf(37);
+      expect(Object.keys(auditTypes)).to.have.lengthOf(38);
     });
 
     it('should not have unexpected audit types in AUDIT_TYPES', () => {