Added readme.md file

README.md

@@ -6,7 +6,7 @@ Diligent web site
 
 
 
-Pre requirements:
+Pre-requirements:
 
 	* installed wamp server (https://sourceforge.net/projects/wampserver/)
 
@@ -83,21 +83,21 @@ For email sending, needed to make an instance of PHPMailer and use method *send*
 	$mail->send(); //send email```
 
 
-
 When 'resume-file' is sent using POST method, it can be found in FILES array, but other parameters can be found in POST array
 
-When input (type file is used) in html form, need to add enctype="multipart/form-data" and setup:
+When input (type file )is used in html form, needed to add enctype="multipart/form-data" and setup:
 
 		contentType: false, cache: false, processData:false, url: "myscript.PHP?call=upload" ('?call=upload' added after script name) in ajax submit
 
-
+There are three the most important variables in header.php. They used for paths. 
+	1. backToRoot is used for back to the root folder where there are index.php, portfolio.php, etc.
+	2. backToRootIndustries is used for navigation to the industries folder
+	3. backToRootServices is used for navigation to the services folder.
 
 styles/custom.css is a file which uses developers to add a new feature to the website, style.css is used for bug fixing in old style
 
-
-
 For checking validation of file, needed to use (https://www.freeformatter.com/html-validator.html)
 
 Every single page uses keywords (diligent, software, development, company, it, and specific words for that domain). It is located in meta (keywords) in the head of the document
 
-In order to use google captcha in html form, needed to include 	```<script src="https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit" ></script>``` after including **custom.js** script, after that need to add one html element for captcha above the submit button. Define id for that element and custom attribute data-sitekey="site_key", where sitekey is google capctha key. After that at the end of custom.js file (before onloadCallback function) add new function for verification and call it in onloadCallback function
+In order to use google captcha in html form, needed to include 	```<script src="https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=explicit" ></script>``` after including **custom.js** script, after that needed to add one html element for captcha above the submit button. Define id for that element and custom attribute data-sitekey="site_key", where sitekey is google captcha key. After that at the end of custom.js file (before onloadCallback function) add new function for verification and call it in onloadCallback function