docs: Add landing page copy, CodeFling listing, FAQ, and comparison sheet

Marketing assets for launch — landing page copy, marketplace description,
FAQ for support load reduction, and competitive comparison table.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docs/LANDING_PAGE_COPY.md

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+# Corrosion — Landing Page Copy
+
+## HERO SECTION
+
+### Corrosion
+## The Control Plane for Rust Servers
+
+Deploy once. Automate everything. Never SSH again.
+
+[ Buy License ]
+[ View Live Demo ]
+
+---
+
+## SECTION: The Problem
+
+Running a Rust server today means:
+
+* Editing JSON configs over SFTP
+* Babysitting wipes
+* Manually installing and updating plugins
+* Restarting servers blindly
+* Staying online when something crashes
+
+Even experienced admins waste hours on operational work instead of building their community.
+
+Rust servers deserve orchestration — not babysitting.
+
+---
+
+## SECTION: The Shift
+
+Corrosion moves Rust server administration to a unified cloud control plane.
+
+Install one plugin.
+Register online.
+Manage everything from your browser.
+
+No open firewall ports.
+No manual file editing.
+No SSH required.
+
+---
+
+## SECTION: Core Capabilities
+
+### Operational Control
+
+* Auto-Wiper with Rollback
+* Real-Time Console + Player Control
+* Web-Based Plugin Configuration
+* Automated Steam Updates
+
+### Infrastructure & Scale
+
+* Companion Agent — No SSH Required
+* Multi-Admin Role-Based Access Control
+* Zero Inbound Ports Required
+
+---
+
+## SECTION: Wipe Orchestration
+
+Wipes aren't just "delete map and restart."
+
+Corrosion executes a full sequence:
+
+Pre-Wipe → Backup → Map Rotation → Steam Update → Restart → Health Verification → Rollback (if needed)
+
+Every wipe is logged.
+Every step is verified.
+Rollback is one click away.
+
+---
+
+## SECTION: Built Like Infrastructure
+
+Corrosion isn't a UI wrapper.
+
+It's a hosted SaaS platform built with:
+
+* Rust (Axum backend)
+* NATS JetStream messaging
+* PostgreSQL multi-tenant isolation
+* Outbound-only secure connections
+
+Every server is scoped by license.
+Every command is namespaced.
+Every tenant is isolated.
+
+---
+
+## SECTION: Public Server Sites & Storefront
+
+Each license includes:
+
+* Public server page
+* Wipe countdown
+* Live player count
+* Plugin/mod list
+* Optional integrated webstore
+
+Monetize your server without third-party complexity.
+
+---
+
+## SECTION: For Serious Admins
+
+If you:
+
+* Run scheduled wipes
+* Care about uptime
+* Want crash recovery
+* Want automation
+* Manage multiple admins
+
+Corrosion was built for you.
+
+---
+
+## CTA
+
+Stop babysitting your server.
+
+Start orchestrating it.
+
+[ Get Corrosion ]