Custom-icons-in-valueBox.md

+In addition to FontAwesome icons supported by flexdashboard's `valueBox`, we have several custom ones for use in the stats dashboard.
+
+![chickadee_2021-07-02_09_41_22](uploads/4130cfa1a328c756a02f6b919d765259/chickadee_2021-07-02_09_41_22.png)
+
+They are inserted as SVG background by CSS rules, but the classes are kept in line with FA ones.
+
+To use them, just replace the FA icon name with a custom one:
+
+```diff
+   …
+   color = dashboard_colors[1],
+-  icon = "fas fa-user-lock"
++  icon = "fas fa-mojeid"
+   …
+```
+
+| icon | code |
+| ---- | ---- |
+| ![fa-mojeid](https://gitlab.nic.cz/adam/adam-dashboard/-/raw/devel/Dashboard/images/mojeid-icon.svg) | `icon = "fas fa-mojeid"` |
+| ![fa-nia](https://gitlab.nic.cz/adam/adam-dashboard/-/raw/devel/Dashboard/images/eidentita.svg) | `icon = "fas fa-nia"`|
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