Add server configuration editing with byte preservation

src/wireguard.rs

@@ -0,0 +1,16 @@
+//! Pure parsing and inspection of caller-supplied WireGuard server configuration.
+//!
+//! Parsing never reads or writes files and never changes runtime state.
+
+pub mod document;
+pub mod edit;
+pub mod metadata;
+
+pub use document::{
+    ConfigDocument, DirectiveSpan, DocumentError, DocumentIssue, DocumentSection, PeerInspection,
+    PeerIssue, SectionKind, SourceSpan,
+};
+pub use edit::{
+    EditError, add_client, delete_client, insert_legacy_metadata, project_client, rename_client,
+};
+pub use metadata::{ManagedMetadata, MetadataAttachment, MetadataError, MetadataIssue};