Added user guide

docs/README.md

@@ -1,30 +1,129 @@
 # EchoBot User Guide
 
-// Update the title above to match the actual product name
+_EchoBot helps you stay organized by managing your tasks effortlessly._
 
-// Product screenshot goes here
+**Features**
+1. Text-based commands for simplicity
+2. Easy to learn with minimal setup
+3. Lightning-fast task management
 
-// Product intro goes here
+## Getting Started: 
 
-## Adding deadlines
+1. Download the latest release [here](https://github.com/JJtan2002/ip/releases)
+2. Run ```java -jar echobot.jar```
+3. Let EchoBot manage your tasks efficiently
 
-// Describe the action and its outcome.
+## Help
+To view all commands
 
-// Give examples of usage
+Command: ```help```
 
-Example: `keyword (optional arguments)`
+## Adding ToDos
+For tasks without any deadline
 
-// A description of the expected outcome goes here
+Command: ```todo {description}```
 
+Sample input: ```todo graduate```
+
+Expected output:
+```
+Added:[T][] graduate
+Now you have 2 tasks in list.
+```
+
+## Adding Deadlines
+
+For tasks with a specific deadline
+
+Command: ```deadline {description} /by {d/mm/yyyy}```
+
+Sample input: ```deadline cs2103t ip /by 20/9/2024```
+
+Expected output:
+```
+Added:[D][] cs2103t (by: Sep 20 2024)
+Now you have 2 tasks in list.
+```
+
+## Adding Events
+
+For tasks with a specific duration 
+
+Command: ```event {description} /from {dd/mm/yyyy} /to {dd/mm/yyyy}```
+
+Sample input: ``` event university /from 1/1/2023 /to 1/1/2027```
+
+Expected output:
+```
+Added: [E][ ] university (from: Jan 01 2023 to: Jan 01 2027)
+Now you have 3 tasks in the list.
+```
+## List Tasks
+
+List all tasks
+
+Command/sample input: ```list```
+
+Expected output:
+```
+Here are the tasks in your list:
+1. [T][] graduate
+2. [D][] cs2103t (by: Sep 20 2024)
 ```
-expected output
+
+## Delete
+
+Remove a task by its number
+
+Command: ```delete {task number}```
+
+Sample input: ```delete 1```
+
+Expected output:
+```
+I've removed this task:
+1. [T][] graduate
+Now you have 1 tasks in the list.
 ```
 
-## Feature ABC
+## Find
 
-// Feature details
+Search for tasks by their description
+
+Command: ```find {description}```
+
+Sample input: ```find grad```
+
+Expected output:
+```
+Here are the matching tasks in your list:
+1. [T][] graduate
+```
 
+## Mark
 
-## Feature XYZ
+Mark a task as completed
 
-// Feature details
+Command: ```mark {task number}```
+
+Sample input: ```mark 1```
+
+Expected output:
+```
+Nice! I've marked this task as done:
+[T][X] graduate
+```
+
+## Unmark
+
+Unmark a task
+
+Command: ```unmark {task number}```
+
+Sample input: ```unmark 1```
+
+Expected output:
+```
+OK, I've marked this task as not done yet:
+[T][ ] graduate
+```