adding audiobookshelf compose file and .gitignore

.gitignore

@@ -0,0 +1,39 @@
+# ------------------------------------------------------------------------------
+# SECRETS AND CREDENTIALS (NEVER COMMIT THESE)
+# ------------------------------------------------------------------------------
+
+# Environment variables (API keys, DB passwords, etc.)
+.env
+.env.*
+!.env.example
+
+# Cloud Provider Credentials
+.aws/
+.gcloud/
+.azure/
+credentials.json
+client_secret.json
+
+# SSH and Encryption Keys
+*.pem
+*.key
+*.pub
+*.cert
+*.crt
+*.pfx
+id_rsa
+id_ecdsa
+
+# Digital Signatures and Keystores
+*.jks
+*.keystore
+*.gpg
+
+# Local Development DBs (often contain real-ish data)
+*.db
+*.sqlite
+dump.rdb
+
+# Package Manager Auth
+.npmrc
+.yarnrc