docs: fix missing comments

server/internal/service/notes.go

@@ -73,7 +73,7 @@ func (rs notesResource) Routes() chi.Router {
 			r.Route(fmt.Sprintf("/{%s}", versionUUIDCtxParameter), func(r chi.Router) {
 				r.Use(uuidCtx(versionUUIDCtxParameter))
 				r.Use(versionCtx(rs.Notes))   // DB -> req. context (scoped version)
-				r.Get("/", rs.GetFullVersion) // GET /notes/{id}/{id} - get
+				r.Get("/", rs.GetFullVersion) // GET /notes/{id}/{id} - get specific version's contents
 			})
 		})
 	})
@@ -131,6 +131,8 @@ func (rs *notesResource) Create(w http.ResponseWriter, r *http.Request) {
 	respondJSON(w, http.StatusCreated, res)
 }
 
+// Handler for listing the metadata of all user's available notes. This metadata contains IDs of
+// the note and its owner, its title, and the time it was last updated.
 func (rs *notesResource) ListMetadata(w http.ResponseWriter, r *http.Request) {
 	user, ok := r.Context().Value(userCtxKey{}).(*userClaims)
 	if !ok {
@@ -271,6 +273,7 @@ func (rs *notesResource) CreateVersion(w http.ResponseWriter, r *http.Request) {
 				- Increment `latest_version`
 				- Sync `current_version` with `latest_version`
 	*/
+
 	err := rs.Notes.CreateNoteVersion(r.Context(), data.CreateNoteVersionParams{
 		NoteID:      fullNote.NoteID,
 		Title:       *req.Title,