Updates documentation, simplifies config

Config.php


		public function createRouter() {
		- $path = $this->getHomeDirectory() . self::REPOS_SUBDIR;
		-
		- return new Router( $path );
		+ return new Router( $this->getHomeDirectory() . self::REPOS_SUBDIR );
		}

README.md

		# TreeTrek

		-TreeTrek is a free, read-only, open-source, dependency- and authentication-free
		-PHP application for browsing raw Git repositories in either a self-hosted or
		-shared host environment. It is a human-guided, AI-implemented, greenfield
		-implementation having zero system or shell commands.
		+TreeTrek is a free, open-source, responsive, optimized, authentication- and
		+dependency-free‡ PHP web application for browsing raw Git repositories in
		+either a self-hosted or shared host environment. It is a human-guided,
		+AI-implemented, greenfield implementation having zero system or shell commands.

		## Git implementation

		to display line-level changes.
		* Syntax Highlighting: Uses a regex-based engine with rules for common
		-programming languages.
		+programming languages and configuration file syntaxes.
		* Multimedia Rendering: Detects media types to natively render
		images, video, and audio files in the browser.

		* Stateless Routing: Maps clean URIs directly to specialized page
		controllers for consistent navigation.
		+
		+---
		+
		+‡Uses FontAwesome.

Delta	10 lines added, 8 lines removed, 2-line increase