Edit readme and run build

dist/index.js

@@ -67,12 +67,18 @@ function addToProject() {
                 return;
             }
         }
-        else {
+        else if (labelOperator === 'or') {
             if (labeled.length > 0 && !issueLabels.some(l => labeled.includes(l))) {
                 core.info(`Skipping issue ${issue === null || issue === void 0 ? void 0 : issue.number} because it does not have one of the labels: ${labeled.join(', ')}`);
                 return;
             }
         }
+        else if (labelOperator === 'not') {
+            if (labeled.length > 0 && issueLabels.some(l => labeled.includes(l))) {
+                core.info(`Skipping issue ${issue === null || issue === void 0 ? void 0 : issue.number} because it contains one of the labels: ${labeled.join(', ')}`);
+                return;
+            }
+        }
         core.debug(`Project URL: ${projectUrl}`);
         if (!urlMatch) {
             throw new Error(`Invalid project URL: ${projectUrl}. Project URL should match the format https://github.com/<orgs-or-users>/<ownerName>/projects/<projectNumber>`);