feat: added scripts to backend folder with json data

backend/scripts/emailCleaner.mjs

@@ -0,0 +1,33 @@
+import jsonData from './test-data.json' assert {type: 'json'};
+
+const emailMap = {};
+
+jsonData.forEach(user => {
+    const lowercaseEmail = user.email.toLowerCase();
+    if (!emailMap[lowercaseEmail]) {
+        emailMap[lowercaseEmail] = user;
+    } else {
+        const existingUser = emailMap[lowercaseEmail];
+        existingUser.skillsToMatch.push(...user.skillsToMatch);
+        existingUser.projects.push(...user.projects);
+        existingUser.managedProjects.push(...user.managedProjects);
+        existingUser.textingOk = existingUser.textingOk || user.textingOk;
+        existingUser.isActive = existingUser.isActive || user.isActive;
+        existingUser.newMember = existingUser.newMember || user.newMember;
+        existingUser.currentRole = existingUser !== user ? existingUser.currentRole : user.currentRole;
+        existingUser.desiredRole = existingUser !== user ? existingUser.desiredRole : user.desiredRole;
+
+        if (existingUser.accessLevel === 'admin' || user.accessLevel === 'admin') {
+            existingUser.accessLevel = 'admin';
+        }
+        // Preserving the older createdDate, firstAttended and modifying the email
+        if (new Date(user.createdDate) < new Date(existingUser.createdDate)) {
+            existingUser.createdDate = user.createdDate;
+            existingUser.firstAttended = user.firstAttended;
+            existingUser.email = `${user.email.toLowerCase()}_${user._id}`
+        }
+    }
+    // Always lowercase email
+    user.email = lowercaseEmail;
+});
+