Revise docs for 0.19.0.

doc/src/about/index.md

@@ -3,6 +3,8 @@ What is Rhai
 
 {{#include ../links.md}}
 
+![Rhai Logo](../images/rhai_logo.png)
+
 Rhai is an embedded scripting language and evaluation engine for Rust that gives a safe and easy way
 to add scripting to any application.
 
@@ -13,3 +15,27 @@ Versions
 This Book is for version **{{version}}** of Rhai.
 
 For the latest development version, see [here]({{rootUrl}}/vnext/).
+
+
+Etymology of the name "Rhai"
+---------------------------
+
+### As per Rhai's author Johnathan Turner
+
+In the beginning there was [ChaiScript](http://chaiscript.com),
+which is an embedded scripting language for C++.
+Originally it was intended to be a scripting language similar to **JavaScript**.
+
+With java being a kind of hot beverage, the new language was named after
+another hot beverage - **Chai**, which is the word for "tea" in many world languages
+and, in particular, a popular kind of milk tea consumed in India.
+
+Later, when the novel implementation technique behind ChaiScript was ported from C++ to Rust,
+logically the `C` was changed to an `R` to make it "RhaiScript", or just "Rhai".
+
+### On the origin of the temporary Rhai logo
+
+One of Rhai's maintainers, Stephen Chung, was thinking about a logo when he accidentally
+came across a copy of _Catcher in the Rye_ in a restaurant.  The rest was history.
+
+It is temporary until it becomes official, that is...