Add std::variant lecture (#118)

Author: niosus

animation/variant/.gitignore

@@ -0,0 +1,15 @@
+# Generated files
+node_modules
+output
+dist
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?