Renamed to httpbasics

src/main/resources/lessons/httpbasics/documentation/HttpBasics_plan.adoc

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+= HTTP Basics 
+ 
+== Concept 
+
+This lesson presents the basics for understanding the transfer of data between the browser and the web application and how to trap a request/response with a HTTP proxy.
+
+== Goals
+
+The user should become familiar with the features of WebGoat by manipulating the above 
+buttons to view hints, show the HTTP request parameters, the HTTP request cookies, and the Java source code. You may also try using
+link:https://www.owasp.org/index.php/OWASP_Zed_Attack_Proxy_Project[OWASP Zed Attack Proxy] for the first time.
+
+=== How HTTP works:
+
+All HTTP transactions follow the same general format. Each client request and server response has three parts: the request or response line, a header section and the entity body.
+
+The client initiates a transaction as follows: 
+
+* The client contacts the server and sends a document request.  A GET request can have url parameters and those parameters will be available in the web access logs.  
+
+** GET /index.html?param=value HTTP/1.0
+
+* Next, the client sends optional header information to inform the server of its configuration and the document formats it will accept.
+
+** User-Agent: Mozilla/4.06 Accept: image/gif,image/jpeg, */*
+
+* In a POST request, the user supplied data will follow the optional headers and is not part of the contained within the POST URL.
+