Add configuration from toml file

config.toml

@@ -0,0 +1,21 @@
+# WeaselDB Configuration File
+
+[server]
+bind_address = "127.0.0.1"
+port = 8080
+# Maximum request size in bytes (for 413 Content Too Large responses)
+max_request_size_bytes = 1048576  # 1MB
+
+[commit]
+# Minimum length for request_id to ensure sufficient entropy
+min_request_id_length = 20
+# How long to retain request IDs for /v1/status queries (hours)
+request_id_retention_hours = 24
+# Minimum number of versions to retain request IDs
+request_id_retention_versions = 100000000
+
+[subscription]
+# Maximum buffer size for unconsumed data in /v1/subscribe (bytes)
+max_buffer_size_bytes = 10485760  # 10MB
+# Interval for sending keepalive comments to prevent idle timeouts (seconds)
+keepalive_interval_seconds = 30