Add PRD and Readme

Readme.md

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+This is a Proof of Concept build.
+
+Client front-end is HTML/CSS/JS and hosted on Phoenix server with the backend services. A tunnel has been created to a publicly available web server called Dragon (soon to be replaced).
+
+The system captures an image of a handwritten page and passes it to Qwen3 VL 8B AWQ (4-bit) for conversion to digital text.
+
+
+**Your config locations cheat sheet:**
+
+| What | Location | ------|----------| FastAPI config | `~/htr-api/.env` | vLLM
+| service | `/etc/systemd/system/vllm-htr.service` | HTR service  |
+| `/etc/systemd/system/hhtr-api.service` | FastAPI service |
+| `/etc/systemd/system/htr-api.service` | nginx config |
+| `/etc/nginx/sites-enabled/htr` | Frontend | `/var/www/htr/index.html` |
+| Cloudflare tunnel | `/etc/cloudflared/config.yml` |
+
+# After changing the model in .env, run the following:
+sudo systemctl daemon-reload sudo systemctl stop vllm-htr htr-api sudo systemctl
+start vllm-htr htr-api
+
+# Future Update
+To create an MVP using Capacitor to wrap the front-end HTML/CSS/JS and call the service through a future web server (Cerberus) running Ghost with API access via FastAPI? 
+
+Need to test Qwen3 VL 2B and modify the prompt to see if accuracy occurs.
+
+PRD for the MVP is located in a document, "PRD-Pen2Post_MVP-FINAL.md"