Creating a plugin fo a Php website

Hello Creating a tag plugin for a question&answer website using the script [login to view URL] the tag plugin requirement the developer will create and test the plugin using his own server and send it the website is RTL non English website 1. every tag has different theme colors and logo and can select the codes of the colors by the admin and logo selected by the admin for example the tag for car here [login to view URL] and the Iphone tag here [login to view URL] [login to view URL] tag selection will be like reddit in the folloing video and can replaced by the category selection location in the ask question page and hiding the category selector section there ,the tag selector in the ask question page will be like this [login to view URL] [login to view URL] the user click ask question while he at any question page that make the tags for the new question will be like the previous question as default and he can edit its And If the user click ask question while he at the any other page except question page one tag will be generated automatically from the question title from the words which already tags for other questions in the website and select the mostly used for tags if the question title contain more than one If the user click ask question while he is at the tag page like [login to view URL] the new question tag will be same same as the tag page 4. for example a visitor came from google or any other places to the question :[login to view URL] afterward if he click ask question the new question will take the tags from the question [login to view URL] which is "ask-page" by default and he can edit its. [login to view URL] user want to asking a question and arrive to the tag field when he is writing the tag list of the tags will appears [login to view URL] contains similar words [login to view URL] can add page title and description to every tag and set sub-domain for each tag after create the sub-domain from the server [login to view URL] [login to view URL] is categories selection in the ask question page it will be hidden and the tag selection will take it place 8. The page of each tag ([login to view URL]) can sort the question there by most viewed question or most viewed questions last x days , or most answered question last x days 9. make each feature can disable/enable it , to disable any feature may not succeed with us