[DOCGEN] Create a Readme file per analyzer for documentation purpose

[nadouani]

The idea is to automatically produce a better analyzers/responders documentation.

We will create a script that goes through all the analyzer folders and generate a readme.md file that contains the description of all the analyzer flavors

[jeromeleonard]

## Analyzer's Name

*Description of the analyzer*


### Analyzers Flavor's Name (*foreach flavor* )

**Author**: *author* 
**License**: *license*
**Version**: *version* 
**Supported observables types**: list of *dataTypeList*
**Subscription required**: *true/false*
**Free subscription**: *true/false*
**Registration required**: *true/false*
**Third party service URL (if relevant)**: **service_homepage**

#### Description

*Description of the flavor*

#### Requirements

*Requirements*

#### Templates samples

#### Configuration

##### *Name* (*foreach configurationItems*)

**Default Value**: *defaultValue*
**type**: *type*
**Can contain multiple values**: *multi*
**Required**: *required*
**description**: *descripition*