Merge branch 'master' of https://github.com/nataniayp/ip

Author: nataniayp

docs/README.md

@@ -2,28 +2,112 @@
 
 ## Features 
 
-### Feature-ABC
+### Add Task
 
-Description of the feature.
+This feature adds a task (be it a Todo, a Deadline or an Event) to the list.
 
-### Feature-XYZ
+### Delete Task
 
-Description of the feature.
+This feature deletes a task from the list.
+
+### Show All Tasks
+
+This feature displays all tasks in the list.
+
+### Mark Task As Done
+
+This feature marks a task as done, indicated by `[x]`.
+
+### Find Task
+
+This feature shows task(s) which contains the keyword given.
+
+### Undo
+
+This feature lets you undo the latest command (works for add, delete and mark as done!)
 
 ## Usage
 
-### `Keyword` - Describe action
+### `ls` - Show Task
 
-Describe the action and its outcome.
+This displays all tasks in the list.
 
 Example of usage: 
 
-`keyword (optional arguments)`
+`ls`
 
 Expected outcome:
 
-Description of the outcome.
+```
+1. [T][] read
+2. [T][x] write
+3. [E][] movie night (at: 18 Sep 2021)
+```
+
+### `todo/deadline/event [description] [date and/or time]` - Add Task
+
+This creates a Task in the list.
 
+Examples of usage: 
+
+`todo [description]`
+`deadline [description] /by [yyyy-MM-dd] [HH:mm]`
+`event [description] /at [yyyy-MM-dd] [HH:mm]`
+
+Expected outcome:
+
+```
+added: [T][] task
+Now you have 4 tasks in the list.
 ```
-expected output
+
+### `delete/done [index]` - Delete Task/Mark Task As Done
+
+This deletes a task or marks a task as done.
+
+Examples of usage: 
+
+`delete 3`
+`done 2`
+
+Expected outcome:
+
+```
+Noted. I've removed this task:
+[D][] iP (by: 23:59)
+Now you have 2 tasks in the list.
+```
+
+### `find [keyword(s)]` - Find Task(s)
+
+This shows task(s) that contain the keyword(s).
+
+Examples of usage: 
+
+`find read`
+`find event`
+
+Expected outcome:
+
+```
+Here are the matching tasks in your list:
+1. [T][] read
+```
+
+### `undo` - Undo Command
+
+This lets you undo the previous command. (works only for add, delete and mark as done)
+
+Example of usage: 
+
+`undo`
+
+Expected outcome:
+
+```
+You've gone back in time!
+1. [T][] read
+2. [T][x] write
+3. [E][] movie night (at: 18 Sep 2021)
+
 ```