Add content for introduction to JavaScript

content/roadmaps/106-javascript/content/100-javascript-introduction/101-history-of-javascript.md

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-# History of javascript
+# History of JavaScript
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+JavaScript was initially created by Brendan Eich of NetScape and was first announced in a press release by Netscape in 1995. It has a bizarre history of naming; initally it was named Mocha by the creator, which was later renamed to LiveScript. In 1996, about a year later after the release, NetScape decided to rename it to be JavaScript with hopes of capitalizing on the Java community (although JavaScript did not have any relationship with Java) and released Netscape 2.0 with the official support of JavaScript.
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+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://roadmap.sh/guides/history-of-javascript'>Brief History of JavaScript</BadgeLink>
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content/roadmaps/106-javascript/content/100-javascript-introduction/102-javascript-versions.md

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-# Javascript versions
+# Javascript Versions
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+JavaScript was invented by Brendan Eich, and in 1997 and became an ECMA standard. ECMAScript is the official language name. ECMAScript versions include ES1, ES2, ES3, ES5, and ES6
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+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.educative.io/blog/javascript-versions-history'>JavaScript Versions: How JavaScript has changed over the years</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://roadmap.sh/guides/history-of-javascript'>Brief History of JavaScript</BadgeLink>
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content/roadmaps/106-javascript/content/100-javascript-introduction/103-how-to-run-javascript.md

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-# How to run javascript
+# How to run Javascript
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+JavaScript can be run in the browser by including the external script file using the `script` tag, write it within the HTML page using the `script` tag again, run it in the browser console or you can also use [REPL](https://www.digitalocean.com/community/tutorials/how-to-use-the-node-js-repl).
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+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-add-javascript-to-html'>How To Add JavaScript to HTML</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-write-your-first-javascript-program'>How To Write Your First JavaScript Program</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/how-to-use-the-javascript-developer-console'>How To Use the JavaScript Developer Console</BadgeLink>
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