Update README

Ensure SMWar is present.

README.md

@@ -1,25 +1,34 @@
 # real-worldgen
 
-Generate Super Mario War worlds from real-world data.
+Generate [Super Mario War](http://supermariowar.supersanctuary.net/) worlds from real-world data.
 
 ## Requirements
 
 - Node.js (preferably latest)
 - Yarn
+- Existing installation of Super Mario War
 
 ## Setup
 
-1. Install dependencies:
+1. Create `tools/` in the Super Mario War directory.
+2. Clone this repository inside `tools/`.
+3. Install dependencies:
 
    ```shell
    yarn [install]
    ```
-2. Build the app:
+
+4. Link the assets to the game files:
+
+   ```shell
+   yarn link-gfx
+   ```
+5. Build the app:
 
    ```shell
    yarn build
    ```
-3. Run the app on `http://localhost:3000`:
+6. Run the app on `http://localhost:3000`:
 
    ```shell
    yarn start
@@ -34,4 +43,5 @@ This project is made from [Next](https://nextjs.org). Development practices for
 Biome map obtained from [Minecraft Earth Map](https://earth.motfe.net/tiles-biomes/).
 Land elevation, bathymetry, and real-color maps obtained from [Visible Earth](https://visibleearth.nasa.gov/).
 Water mask map obtained from [Shaded Relief](https://www.shadedrelief.com/natural3/pages/extra.html).
-Uses [D3](https://d3js.org/) (d3-geo) for map projections.
+Uses [D3](https://d3js.org/) (d3-geo) for map projections. Super Mario is a property of Nintendo.
+[Super Mario War](http://supermariowar.supersanctuary.net/) is a fangame inspired by Super Mario games.