Merge pull request #684 from nunocoracao/681-substack-icon-link

✨ Substack icon

assets/icons/substack.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 511.471"><path fill="currentColor" d="M0 0h448v62.804H0V0zm0 229.083h448v282.388L223.954 385.808 0 511.471V229.083zm0-114.542h448v62.804H0v-62.804z"/></svg>

exampleSite/content/samples/icons/index.md

@@ -93,6 +93,7 @@ The full list of built-in icons and their corresponding names can referenced bel
 | star                 | {{< icon star >}}                 |
 | steam                | {{< icon steam >}}                |
 | stripe               | {{< icon stripe >}}               |
+| substack             | {{< icon substack >}}             |
 | sun                  | {{< icon sun >}}                  |
 | tag                  | {{< icon tag >}}                  |
 | telegram             | {{< icon telegram >}}             |