Add overlay annotations

shared/concepts/codeql/concepts/ConceptsShared.qll

@@ -9,6 +9,8 @@
  * each language, but we will maintain a discipline of moving those concepts to
  * `ConceptsShared.qll` ASAP.
  */
+overlay[local?]
+module;
 
 private import CryptoAlgorithms as CA
 private import codeql.dataflow.DataFlow as DF

shared/concepts/codeql/concepts/CryptoAlgorithms.qll

@@ -3,6 +3,8 @@
  *
  * The classification into strong and weak are based on Wikipedia, OWASP and Google (2021).
  */
+overlay[local?]
+module;
 
 private import codeql.concepts.internal.CryptoAlgorithmNames
 

shared/concepts/codeql/concepts/internal/CryptoAlgorithmNames.qll

@@ -7,6 +7,8 @@
  *
  * The classification into strong and weak are based on Wikipedia, OWASP and Google (2021).
  */
+overlay[local?]
+module;
 
 /**
  * Holds if `name` corresponds to a strong hashing algorithm.

shared/concepts/codeql/concepts/internal/SensitiveDataHeuristics.qll

@@ -6,6 +6,8 @@
  *
  * 'Sensitive' data in general is anything that should not be sent around in unencrypted form.
  */
+overlay[local?]
+module;
 
 /**
  * A classification of different kinds of sensitive data: