Full manual restructure (#78)

Author: stefano-ottolenghi

modules/ROOT/content-nav.adoc

@@ -1,22 +1,14 @@
 * xref:index.adoc[]
-* xref:introduction.adoc[]
-* xref:discovery.adoc[]
-* xref:actions/index.adoc[]
-** xref:actions/transaction-flow.adoc[]
-** xref:actions/query-format.adoc[]
-** xref:actions/result-format.adoc[]
-** xref:actions/routing.adoc[]
-** xref:actions/transaction-configuration.adoc[]
-** xref:actions/begin-a-transaction.adoc[]
-** xref:actions/execute-statements-in-an-open-transaction.adoc[]
-** xref:actions/reset-transaction-timeout-of-an-open-transaction.adoc[]
-** xref:actions/commit-an-open-transaction.adoc[]
-** xref:actions/rollback-an-open-transaction.adoc[]
-** xref:actions/begin-and-commit-a-transaction-in-one-request.adoc[]
-** xref:actions/execute-multiple-statements.adoc[]
-** xref:actions/include-query-statistics.adoc[]
-** xref:actions/return-results-in-graph-format.adoc[]
-** xref:actions/expired-transactions.adoc[]
-** xref:actions/handling-errors.adoc[]
-** xref:actions/handling-errors-in-an-open-transaction.adoc[]
-* xref:security/index.adoc[]
+* xref:authentication-authorization.adoc[]
+* xref:query.adoc[]
+* xref:transactions.adoc[]
+* xref:routing.adoc[]
+* xref:query-statistics.adoc[]
+* xref:profile-query.adoc[]
+* xref:bookmarks.adoc[]
+* xref:error-handling.adoc[]
+
+* **Reference**
+* xref:endpoints.adoc[]
+* xref:headers.adoc[]
+* xref:result-formats.adoc[]