starting with ESP-IDF

- initial ESP-IDF project
- starting custom component (Timber)

Signed-off-by: Peter Siegmund <peter@rdkr.com>

ePaper-ESP-IDF/.gitignore

@@ -0,0 +1,16 @@
+# esp-idf
+build/
+sdkconfig
+sdkconfig.old
+managed_components
+
+# They ignored Idea (Webstorm) completely
+.idea/
+
+# However, they kept the following 4 files version controlled
+.vscode/*
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.history/*
+__pycache__