tidy: Enable two clang-tidy checks

Checks enabled: 'performance-for-range-copy' and 'performance-unnecessary-copy-initialization'

src/.clang-tidy

@@ -4,6 +4,8 @@ bugprone-argument-comment,
 misc-unused-using-decls,
 modernize-use-default-member-init,
 modernize-use-nullptr,
+performance-for-range-copy,
+performance-unnecessary-copy-initialization,
 readability-redundant-declaration,
 readability-redundant-string-init,
 '
@@ -12,6 +14,8 @@ bugprone-argument-comment,
 misc-unused-using-decls,
 modernize-use-default-member-init,
 modernize-use-nullptr,
+performance-for-range-copy,
+performance-unnecessary-copy-initialization,
 readability-redundant-declaration,
 readability-redundant-string-init,
 '