feat: add project README and improve index.html security and content accuracy

README.md

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+# k5bss.com
+
+Personal portfolio and resume site for Justin Frasier — IT Support Analyst and amateur radio operator (K5BSS, General Class).
+
+Live at: [k5bss.com](https://k5bss.com)
+
+---
+
+## Overview
+
+A static, single-page resume site with a dark terminal aesthetic. No frameworks or build tools — just HTML and CSS.
+
+## Structure
+
+```
+k5bss.com/
+├── index.html          # Main page (all content)
+├── css/
+│   └── style.css       # All styles
+├── favicon.ico
+├── favicon-32x32.png
+├── favicon-64x64.png
+└── favicon-256x256.png
+```
+
+## Sections
+
+- **About** — summary, tags, and certifications at a glance
+- **Experience** — work history (Margaritaville, Boomtown, xententLABS)
+- **Technical Skills** — languages, OS, hardware, tools, networking, IT support, security
+- **Education** — BPCC A.A.S. Cyber Technology, Northwood High School
+- **Certifications** — CompTIA A+, PCPro, Udemy courses, amateur radio, locomotive
+- **Contact** — email, phone, address, GitHub, LinkedIn, self-hosted Git
+
+## Tech
+
+- Plain HTML5 / CSS3 — no JavaScript frameworks or build step
+- Fonts: [IBM Plex Mono](https://fonts.google.com/specimen/IBM+Plex+Mono) and [IBM Plex Sans](https://fonts.google.com/specimen/IBM+Plex+Sans) via Google Fonts
+- Sticky sidebar with scroll-spy nav via `IntersectionObserver`
+- Responsive at 768px breakpoint (sidebar stacks above content on mobile)
+
+## Deployment
+
+Static files — drop the repo contents onto any web server or host (Nginx, Apache, Caddy, GitHub Pages, etc.). No build step required.