nvim: add snippet for || die

.config/nvim/snippets/markdown.lua

@@ -33,5 +33,11 @@ return {
             {
                 linktext = i(1),
                 eclass = i(2)
-            }))
+            })),
+    s({ trig = 'die',
+        name = 'add || die'
+    }, {
+        t([[Use [`|| die`](https://devmanual.gentoo.org/ebuild-writing/]] ..
+            [[error-handling/#the-die-function) on external commands.]]),
+    }),
 }