Environment

toml++ version and/or commit hash:
v3 - commit hash 5c5abfd

Compiler:
MSVC 2022

C++ standard mode:
latest

Target arch:
x64

Library configuration overrides:
None.

Relevant compilation flags:
None.

Describe the bug

The definition of array::insert_at in array.inl is preceded by TOML_API rather than TOML_EXTERNAL_LINKAGE (inline) as the other functions in the file are. This is causing ODR violations in my project.