Merge pull request #9 from souvikbasu/master

add slides and excercise for React Portals

Author: akiran

exercises/src/portals/01-using-modals/.gitignore

@@ -0,0 +1,37 @@
+# dependencies #
+#############
+/node_modules
+
+# testing #
+#############
+/coverage
+
+# production #
+#############
+**/build
+
+# misc #
+#############
+.DS_Store
+.env
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+#ESLint config #
+#############
+.eslintrc.json
+
+
+# IDE files #
+#############
+nbproject
+.~lock.*
+.buildpath
+.idea
+.project
+.settings
+composer.lock
+.history/
+.vscode/
+.idea