Add .gitignore and .env.example for Obsidian sync configuration

.gitignore

@@ -0,0 +1,5 @@
+# Local settings for the Obsidian sync script
+scripts/.env
+
+# Python
+__pycache__/

scripts/.env.example

@@ -0,0 +1,12 @@
+# Copy this file to .env (same folder) and adjust the values.
+# .env is git-ignored and stays on your machine.
+
+# Absolute path to your Obsidian vault
+OBSIDIAN_VAULT=C:\Users\<user>\path\to\Your Vault
+
+# Vault folders that contain images, relative to the vault. Separate multiple with ";"
+OBSIDIAN_IMAGE_DIRS=03_Resources/Hobby
+
+# Headings of sections that are not published (whole section incl. subheadings).
+# Case-insensitive, HTML tags ignored. Separate multiple with ";". Leave empty for none.
+OBSIDIAN_EXCLUDE_SECTIONS=Private Notes