added confidential info needed from employees

source/handbook/confidential-information.md

+# Confidential information needed 
+
+* Given names/First name
+
+*  Middle name 
+
+* Family name/Last name
+
+* Home address
+
+* Partner/Domestic Partner/Spouse
+
+* Your birthdate/DOB: year/month/day
+
+* Social security number or your country ID number
+
+* Passport number
+ 
+* Issued/date as written in passport
+
+* Validity/expiration: date as written in the passport
+
+* Name of bank, bank account number and routing number
+
+* Personal email
+
+* List all airline and frequent flier numbers
+
+* Special accommodations needed on flight: allergies/meal needs, can you sit in an emergency exit row, seat preference, disability issues needing assistance, other