Suppress duplicate headers from `markdownlint`
Suppress duplicate headers from `markdownlint`

jbenden/vscode-c-cpp-flylint,jbenden/vscode-c-cpp-flylint,jbenden/vscode-c-cpp-flylint,JimStar/vscode-c-cpp-flylint,jbenden/vscode-c-cpp-flylint,JimStar/vscode-c-cpp-flylint