Content to HTML & Text File Generator - C# Language !!!

I have a pre-existing software with source code. I need to add a new feature to the software. I want a program that will take content that I made and take the information and create a single html page or basic Text file out of it. [login to view URL] [login to view URL] What Feature I want added: Currently, my software can generate thousands of html file with CSS. I need to add a new feature to take keywords, and make as many subpages as I want. e.g. 10 to 200 subpages. * Create Menu (1. menu idea is to have all main keywords as the link name for menu 2. Another is to make a drop down menu and have all pages in there) Every webpage include the homepage will need this menu. Menu can be configured to be at the top of the page or bottom. Centered or Right Aligned. * Create Subpages by configuring the UI. It will be based off [login to view URL] if i have 50 keywords in there, software will make 50 sub pages. * Replace [keyword] with the keyword of the page for h1, h2 [keyword] will = keyword of the subpage. * Add [login to view URL] into generated sites. I have premade [login to view URL], UI I will specify where it is, and point to it. When I generate, it'll copy that file. * Separation of keyword for homepage vs keyword for subpages. Maybe be able to specify homepage link and subpage link and anchor text. Small Tweak: * Make it so city name & replace to can be left blank when I don't need find and replace feature for the city. * Help me hardcode a key into software, have [login to view URL] file with the URL path on a website, software check for this key in a file on website when opening software, if key doesn't exist, software will not open. After this feature is added, we make sure it didn't break any other features. * I will need source code upon payment * Please type "I've read everything" when applying to be considered.