Replace root README with profile README

Remove the top-level README.md and add profile/README.md containing the project profile for Parallel. The new README documents the organization's mission, projects (Haven MANET, MeshLink, Reticulum RNodes), use cases, and tech stack to better surface project information under the profile directory.

README.md

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-# .github

profile/README.md

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+# Parallel
+
+**Open-source mesh networking infrastructure for sovereign, resilient connectivity.**
+
+We build practical tools for deploying decentralized wireless networks that operate independently of centralized infrastructure — no cell towers, no ISPs, no single points of failure.
+
+---
+
+### Projects
+
+**[Haven MANET IP Mesh Radio](https://github.com/buildwithparallel/haven-manet-ip-mesh-radio)** — Complete platform for long-range mesh networks using HaLow (802.11ah) sub-1GHz radios. Self-healing topology with BATMAN-adv routing, 1–10+ km range per node, optional Reticulum encryption, and ATAK/CivTAK integration. Built on OpenWrt.
+
+**[MeshLink](https://github.com/buildwithparallel/Meshlink)** — Decentralized WiFi hotspot network with captive portal, tiered access control, Stripe payment integration, and an operator dashboard for managing nodes and revenue. Turns a Raspberry Pi into a monetizable access point.
+
+**[Reticulum RNodes](https://github.com/buildwithparallel/reticulum-rnodes)** — NeoPixel-enhanced RNode firmware for ESP32/LoRa boards. Visual status indicators for boot, TX, and RX events. Supports extreme-range backup comms via the Reticulum encrypted network stack.
+
+---
+
+### Use Cases
+
+- Disaster response and humanitarian operations
+- Remote operations, agriculture, and maritime
+- Community networks and large event connectivity
+- Tactical situational awareness (ATAK/CivTAK)
+
+### Tech
+
+HaLow 802.11ah | BATMAN-adv | OpenWrt | Reticulum | LoRa | Raspberry Pi | ESP32 | React | Node.js | Stripe
+
+---
+
+All projects are open source. Contributions welcome.