diff --git a/public/0_intro_vscode_notes.html b/public/0_intro_vscode_notes.html
new file mode 100644
index 0000000..3faa723
--- /dev/null
+++ b/public/0_intro_vscode_notes.html
@@ -0,0 +1,3 @@
+# regex search
+(h1|h2|h3|h4|h5|h6)
++ bookmarks toggle
\ No newline at end of file
diff --git a/test_file b/test_file
new file mode 100644
index 0000000..65f6ddb
--- /dev/null
+++ b/test_file
@@ -0,0 +1 @@
+llll