Update UG about mandatory attributes to store person

docs/UserGuide.md

@@ -465,17 +465,19 @@ Furthermore, certain edits can cause the StaffConnect to behave in unexpected wa
 
 Attribute | Prefix | Restrictions | Examples
 ----------|--------|--------------|---------------------
-Name | n/ | Case-sensitive.<br>Only alphanumeric characters allowed. Spaces are only allowed between alphanumeric characters. | `alex yeoh`, `Bernice Yu`, `test1`
-Phone Number | p/ | Numeric digits only, no special characters, at least 3 digits long. | `123`, `88888888, 12345678`
-Email | e/ | Valid email of the format `local-part@domain`.<br>1. `local-part` should only contain alphanumeric characters and the special characters `+_.-`<br>2. `local-part` may not start or end with any special characters.<br>3. `local-part` must be followed by exactly one `@` and then a `domain` name.<br>4. `domain` must be made up of at least 2 `domain` labels separated by periods.<br>5. Each `domain` name must be at least 2 alphanumeric characters long.<br>6. Each `domain` name must start and end with alphanumeric characters.<br>7. Each `domain` name can only consist of alphanumeric characters, separated by hyphens, if any. | `[email protected]`, `[email protected]`, `[email protected]`, `[email protected]`
-Module | m/ | Case-insensitive.<br>Valid module consisting of 2-4 letters, followed by exactly 4 numeric digits, with a suffix that is at most 1 character long. | `gess1025`, `hsi1000`, `cs2103t`
-Faculty | f/ | Case-insensitive.<br>Restricted set of values (refer to [valid faculty values](#valid-faculty-values) below). | `soc`, `biz`, `School of Business`
-Venue | v/ | Any characters allowed, cannot be empty. | `belobog avenue`, `COM4-02-33`, `LT21`, `Kent Ridge Vale, Tulip Street, #12-34`
-Tag | t/ | Case-sensitive.<br>Only alphanumeric characters allowed. | `tutor`, `professor`, `BestProf`, `Number1TA`
-Availability | a/ | Valid format of `day start-time end-time`.<br>1. `day` should be a valid day of week: `Monday`, `mon`, `Tuesday`, `tue`, `tues`, `Wednesday`, `wednes`, `wed`, `Thursday`, `thurs`, `thur`, `thu`, `Friday`, `fri`, `Saturday`, `satur`, `sat`, `Sunday`, `sun`.<br>2. `day` is case-insensitive.<br>3. `start-time` and `end-time` should be in the time format of `HH:mm` where `HH` is in 24 hours (00-23) and `mm` are valid minutes (00-59). | `mon 13:00 14:00`, `monday 13:00 14:00`, `tues 14:00 21:00`
+Name[^1] | n/ | Case-sensitive.<br>Only alphanumeric characters allowed. Spaces are only allowed between alphanumeric characters. | `alex yeoh`, `Bernice Yu`, `test1`
+Phone Number[^1] | p/ | Numeric digits only, no special characters, at least 3 digits long. | `123`, `88888888, 12345678`
+Email[^1] | e/ | Valid email of the format `local-part@domain`.<br>1. `local-part` should only contain alphanumeric characters and the special characters `+_.-`<br>2. `local-part` may not start or end with any special characters.<br>3. `local-part` must be followed by exactly one `@` and then a `domain` name.<br>4. `domain` must be made up of at least 2 `domain` labels separated by periods.<br>5. Each `domain` name must be at least 2 alphanumeric characters long.<br>6. Each `domain` name must start and end with alphanumeric characters.<br>7. Each `domain` name can only consist of alphanumeric characters, separated by hyphens, if any. | `[email protected]`, `[email protected]`, `[email protected]`, `[email protected]`
+Module[^1] | m/ | Case-insensitive.<br>Valid module consisting of 2-4 letters, followed by exactly 4 numeric digits, with a suffix that is at most 2 characters long. | `gess1025`, `hsi1000`, `cs2103t`
+Faculty[^1] | f/ | Case-insensitive.<br>Restricted set of values (refer to [valid faculty values](#valid-faculty-values) below). | `soc`, `biz`, `School of Business`
+Venue[^1] | v/ | Any characters allowed, cannot be empty. | `belobog avenue`, `COM4-02-33`, `LT21`, `Kent Ridge Vale, Tulip Street, #12-34`
+Tag | t/ | Case-sensitive.<br>Only alphanumeric characters allowed.<br>Person can have any number of tags. | `tutor`, `professor`, `BestProf`, `Number1TA`
+Availability | a/ | Valid format of `day start-time end-time`.<br>Person can have any number of availabilities.<br>1. `day` should be a valid day of week: `Monday`, `mon`, `Tuesday`, `tue`, `tues`, `Wednesday`, `wednes`, `wed`, `Thursday`, `thurs`, `thur`, `thu`, `Friday`, `fri`, `Saturday`, `satur`, `sat`, `Sunday`, `sun`.<br>2. `day` is case-insensitive.<br>3. `start-time` and `end-time` should be in the time format of `HH:mm` where `HH` is in 24 hours (00-23) and `mm` are valid minutes (00-59). | `mon 13:00 14:00`, `monday 13:00 14:00`, `tues 14:00 21:00`
 Meeting Description | d/ | Case-sensitive.<br>Only alphanumeric characters allowed. Spaces are only allowed between alphanumeric characters. | `Meet for finals`, `Midterm revision`
 Meeting Start Time | s/ | Valid date and time format.<br>1. Valid date formats: `yyyy-MM-dd`, `yyyy-M-d`, `dd-MM-yyyy`, `yyyy-MM-d`, `d-MM-yyyy`, `d-M-yyyy`, `dd-M-yyyy`, `d/MM/yyyy`, `d-M-yyyy`, `dd-M-yyyy`, `dd/MM/yyyy`, `yyyy/MM/dd`, `yyyy/MM/d`, `yyyy/M/dd`,  `yyyy/M/d`<br>where `yyyy` is a 4-digit year (0000-9999), `M` is a single digit month (1-9), `MM` is a valid month (01-12), `d` is a single digit day (1-9), `dd` is a valid day (01-31)<br>2. Valid time formats: `HH:mm`, `H:mm`, `HHmm`<br>where `H` is a single digit hour (1-9), `HH` is a valid 24-hour (00-23), `mm` are valid minutes (00-59). | `2002-11-02 19:00`, `1-12-2022 9:00`, `2024/1/1 0000`
 
+[^1]: Mandatory when adding a person into the staff book, as these are important information for students to know when/where to consult their professors/TAs.
+
 ### Valid `Faculty` values
 
 Faculty | Other names