docs: expand README

Author: Hgit-1

README.md

@@ -1,13 +1,44 @@
 # Immersive Autopilot
 
-NeoForge 1.21.1 mod that adds the **Tower** block for sending route programs to Immersive Aircraft vehicles.
+NeoForge 1.21.1 mod that adds airspace control tools for Immersive Aircraft: **Tower** + **Radar** blocks, route programs, and optional auto routes.
+
+## Requirements
+- Minecraft `1.21.1`
+- NeoForge `21.1.x`
+- Immersive Aircraft `1.2.2+` (NeoForge)
 
 ## Features
-- Tower block with GUI
-- Scan nearby aircraft and bind targets
-- Create/edit route programs (waypoints + speed + hold)
-- Pilot receives accept/decline prompt
-- Route data stored on aircraft
+- Tower block with GUI for scanning aircraft and issuing route programs.
+- Radar block that extends tower scan range via nearby radar bonuses.
+- Route programs with waypoints, links, and basic guidance (arrow + trigger radius).
+- Pilot route offer UI (accept/decline), plus auto routes stored server-side.
+- Optional Xaero Minimap integration for temporary waypoint markers.
+- Radar range overlay tool for visualizing coverage.
+
+## Blocks & Items
+- `Tower` block: airspace control and route editing.
+- `Radar` block: range bonus when placed near the tower (5x5x5).
+- `Radar Lens`, `Signal Amplifier`, `Radar Range Sensor`, `Radar Identification Module`.
+
+## How To Use
+1. Place a `Tower` and open its UI.
+1. Create or load a route program.
+1. Bind a target aircraft or target all in range.
+1. Send the route to the pilot and confirm the offer.
+1. (Optional) Use auto routes by listing route names in the aircraft UI.
+
+## Auto Routes (Aircraft UI)
+- Each line is a route name. Optional label syntax: `route|label`.
+- Auto routes persist server-side and advance when leaving airspace.
+- Use the `X` button to clear a single line, or `Clear` to remove all.
+
+## Radar Range Overlay
+- Hold `Radar Range Sensor` to display tower coverage.
+- Overlap regions render green, single coverage renders gold, boundary is cyan.
+
+## Xaero Minimap
+- If Xaero Minimap is installed, temporary waypoints are shown on the minimap.
+- This is optional; the mod still works without Xaero.
 
 ## Build
 ```bash
@@ -19,5 +50,5 @@ Output JARs are in `build/libs`.
 CI builds the mod and uploads the JAR as an artifact named `immersive-autopilot-jar`.
 
 ## Notes
-Textures are placeholders; add your own:
-- `src/main/resources/assets/immersive_autopilot/textures/block/tower.png`
+- `logo.png` is used as the mod logo (see `src/main/resources/logo.png`).
+- Textures live under `src/main/resources/assets/immersive_autopilot/textures/`.