New .gitignore for my Linux folder

Linux/.gitignore

+##### Ignore file with sensitive information #####
+
+# === Configuration Files ===
+config.json
+
+# === Environment Variable Files ===
+letsencrypt_*.env.sh
+!letsencrypt_template.env.sh
+
+device_*.env.sh
+!device_template.env.sh
+
+notify_email.env.sh
+!notify_email_template.env.sh
+
+# === Project-Specific Files and Folders ===
+smbcredentials
+c-*
+MovieMaster/
+Proxmox VE/
+
+# === Documentation ===
+!README.md
+TODO.md
+
+# === Test Scripts ===
+# Files or folders starting with test- or test_ (case-insensitive)
+[Tt]est[-_]*
+
+# Files or folders ending with -test or _test (case-insensitive), with or without extension
+*[-_][Tt]est
+*[-_][Tt]est.*
+
+# === Temporary or Duplicate Files ===
+# Ignore files or folders with 'copy' in the name (case-insensitive)
+# Note: (?i) is not supported in all Git versions
+# Instead, use explicit patterns
+*[Cc]opy*
+
+# === Editor/OS Generated Files (Optional) ===
+*.bak
+*.lock
+*.log
+*.swp
+*.tmp
+.DS_Store
+Thumbs.db