update README

README.Rmd

@@ -43,6 +43,7 @@ The modelling tools included in **medfate** and **medfateland** are complemented
   + Package [**meteoland**](https://emf-creaf.github.io/meteoland) allows generating daily weather input for simulation models in **medfate** and **medfateland**.
   + Package [**traits4models**](https://emf-creaf.github.io/traits4models) provides functions to help creating species parameter inputs for process-based models such as those in for **medfate** and **medfateland** functions  [*under development*].
 
+The relationships between the four packages are illustrated in the figure below, where black arrows indicate package dependencies and gray arrows indicate model parameter provision.
 
 ```{r, out.width='60%', fig.align="center", echo=FALSE}
 knitr::include_graphics("man/figures/packages.png")

README.md

@@ -54,6 +54,10 @@ complemented with two companion packages:
   process-based models such as those in for **medfate** and
   **medfateland** functions \[*under development*\].
 
+The relationships between the four packages are illustrated in the
+figure below, where black arrows indicate package dependencies and gray
+arrows indicate model parameter provision.
+
 <img src="man/figures/packages.png" width="60%" style="display: block; margin: auto;" />
 
 ## Authorship