docs: add general requirements into main component and remove v3 folder

docs/pages/inner_workings/components/overview.mdx

@@ -1,20 +1,28 @@
-import { Callout } from 'nextra/components'
+import { Callout } from 'nextra/components';
 
 <Callout>
   This documentation is still a work in progress. Some parts might be missing or incomplete.
 
-  This is also mostly for advanced use cases (Overriding some default, provide support for another Cloud provider, creating your own IAC component ...), most people won't need to use this.
+This is also mostly for advanced use cases (Overriding some default, provide support for another Cloud provider, creating your own IAC component ...), most people won't need to use this.
+
 </Callout>
 
+## General
+
+- For the node runtime, you need at least Node 18.
+- For the edge runtime, you can use both Node 18+ or cloudflare workers with `node_compat` flag enabled (Cloudflare workers support is experimental)
+- Open-next doesn't work well on Windows. We recommend using WSL2 or a Linux VM.
+
 ## Backends
 
 Every backend is a separate module. The following backends are available:
-  - Servers (Node or Edge runtime)
-  - Middleware (If manually set to external)
-  - Image Optimization
-  - Revalidation
-  - Warmer
-  - Initializer
+
+- Servers (Node or Edge runtime)
+- Middleware (If manually set to external)
+- Image Optimization
+- Revalidation
+- Warmer
+- Initializer
 
 All these backends can be overrided to fit your needs. They share some common ground for the configuration and the way they are used.
 
@@ -56,10 +64,11 @@ export type Wrapper<
 The `handler` is the original handler that is being wrapped. The `converter` is the converter that is being used to convert the event and the result.
 
 Here is a list of the provided wrappers:
-  - `aws-lambda` - The default AWS Lambda wrapper - It is the default wrapper
-  - `aws-lambda-streaming` - The AWS Lambda wrapper with streaming support
-  - `node` - The Node wrapper - Create a node server, not suitable for serverless
-  - `cloudflare` - The Cloudflare wrapper - For Cloudflare Worker
+
+- `aws-lambda` - The default AWS Lambda wrapper - It is the default wrapper
+- `aws-lambda-streaming` - The AWS Lambda wrapper with streaming support
+- `node` - The Node wrapper - Create a node server, not suitable for serverless
+- `cloudflare` - The Cloudflare wrapper - For Cloudflare Worker
 
 ##### Aws Lambda streaming
 
@@ -84,11 +93,12 @@ export type Converter<
 The `convertFrom` method is used to convert the event to the internal event used by the backend internal handler. The `convertTo` method is used to convert the result to the expected result.
 `convertTo` can usually be ignored when using streaming as the result is being streamed directly.
 
-Here is a list of the provided converters: 
-  - `aws-apigw-v2` - The default AWS API Gateway v2 converter - It is the default converter
-  - `aws-apigw-v1` - The AWS API Gateway v1 converter
-  - `aws-cloudfront` - The AWS CloudFront converter - Used for lambda@edge
-  - `edge` - The Edge converter - Converts from `Request` and to `Response`
-  - `node` - The Node converter - Converts from `IncomingMessage` and to `ServerResponse`
-  - `sqs-revalidate` - The SQS Revalidate converter - Used by default for the revalidation backend
-  - `dummy` - The Dummy converter - Does nothing
+Here is a list of the provided converters:
+
+- `aws-apigw-v2` - The default AWS API Gateway v2 converter - It is the default converter
+- `aws-apigw-v1` - The AWS API Gateway v1 converter
+- `aws-cloudfront` - The AWS CloudFront converter - Used for lambda@edge
+- `edge` - The Edge converter - Converts from `Request` and to `Response`
+- `node` - The Node converter - Converts from `IncomingMessage` and to `ServerResponse`
+- `sqs-revalidate` - The SQS Revalidate converter - Used by default for the revalidation backend
+- `dummy` - The Dummy converter - Does nothing