Update README.md

Author: devenes

README.md

@@ -6,6 +6,24 @@
 
 ---
 
+## Create Instance
+
+You send a POST request to the `create` endpoint with the following parameters and it will create an instance with the given parameters.
+
+```
+http://<api_host>:<api_port>/ec2/create
+```
+
+| Parameter               | Type     | Description           |
+| :---------------------- | :------- | :-------------------- |
+| `aws_access_key_id`     | `string` | AWS Access Key ID     |
+| `aws_secret_access_key` | `string` | AWS Secret Access Key |
+| `region_name`           | `string` | AWS Region Name       |
+| `KeyName`               | `string` | AWS Key Name          |
+| `SecurityGroupId`       | `string` | AWS Security Group ID |
+
+---
+
 ## List Instances
 
 You send a request to this endpoint by entering the following parameters, and you can list all the instances in your AWS account in the region you specify and their status.
@@ -24,7 +42,7 @@ http://<api_host>:<api_port>/ec2/list
 
 ## Start Instance
 
-You send a request to this endpoint by entering the following parameters, and you can start the instance you specified with `instance_id`, in the region you specified with `region_name` and the status of the instance will be changed to `running`.
+You send a request to this endpoint by entering the following parameters, and you can start the instance you specified with `instance_id`, in the region you specified with `region_name` and the status of the instance will be changed to `pending` and then to `running`.
 
 ```
 http://<api_host>:<api_port>/ec2/start
@@ -41,7 +59,7 @@ http://<api_host>:<api_port>/ec2/start
 
 ## Stop Instance
 
-You send a request to this endpoint by entering the following parameters, and you can stop the instance you specified with `instance_id`, in the region you specified with `region_name` and the status of the instance will be changed to `stopped`.
+You send a request to this endpoint by entering the following parameters, and you can stop the instance you specified with `instance_id`, in the region you specified with `region_name` and the status of the instance will be changed to `stopping` and then to `stopped`.
 
 ```
 http://<api_host>:<api_port>/ec2/stop
@@ -55,3 +73,18 @@ http://<api_host>:<api_port>/ec2/stop
 | `instance_id`           | `string` | Instance ID Number    |
 
 ---
+
+## Terminate Instance
+
+You send a request to this endpoint by entering the following parameters, and you can terminate the instance you specified with `instance_id`, in the region you specified with `region_name` and the status of the instance will be changed to `shutting-down` and then `terminated`.
+
+```
+http://<api_host>:<api_port>/ec2/terminate
+```
+
+| Parameter               | Type     | Description           |
+| :---------------------- | :------- | :-------------------- |
+| `aws_access_key_id`     | `string` | AWS Access Key ID     |
+| `aws_secret_access_key` | `string` | AWS Secret Access Key |
+| `region_name`           | `string` | AWS Region Name       |
+| `instance_id`           | `string` | Instance ID Number    |