toc added

this is the bookmarklet forked from 
https://gist.github.com/sillero/ba07348369b0d2354245
added with clipboard

```
javascript:!function(e){var r=["###Table of contents"];[].map.call(e.querySelectorAll("h1, h2, h3, h4, 

h5, h6"),function(e){var t=[Array(parseInt(e.tagName[1])).join("    "),"- [",e.innerText,"]

(",e.querySelector("a").getAttribute("href"),")"];r.push(t.join(""))}), toc2=r.join("\n"); 

navigator.clipboard.writeText(toc2).then(()=> { alert(toc2); });}(document.querySelector(".markdown-

body")) ; 
```

README.md

@@ -1,4 +1,13 @@
-for **TOC** click on hamburger on top left hand side
+###Table of contents
+- [AgAtAb](#agatab)
+    - [Why?](#why)
+    - [elderly need a solution](#elderly-need-a-solution)
+- [THIS THING:](#this-thing)
+    - [What?](#what)
+    - [papers](#papers)
+    - [epilogue](#epilogue)
+
+for **TOC** click (in gh only) on hamburger on top left hand side
 
 # AgAtAb
 hitchhiker travels now with really THINK tanking books ... let's go.