diff --git a/04-streaming/audio/.keep b/04-streaming/audio/.keep new file mode 100644 index 0000000..e69de29 diff --git a/04-streaming/hardware/.keep b/04-streaming/hardware/.keep new file mode 100644 index 0000000..e69de29 diff --git a/04-streaming/infrastructure/.keep b/04-streaming/infrastructure/.keep new file mode 100644 index 0000000..e69de29 diff --git a/04-streaming/podcast/.keep b/04-streaming/podcast/.keep new file mode 100644 index 0000000..e69de29 diff --git a/05-troubleshooting/boot-system/.keep b/05-troubleshooting/boot-system/.keep new file mode 100644 index 0000000..e69de29 diff --git a/05-troubleshooting/performance/.keep b/05-troubleshooting/performance/.keep new file mode 100644 index 0000000..e69de29