Need to include PGN (chess game notation) in a post - feature

I am trying to embed a PGN file in a topic. This requires including CSS and Javascript in the topic. Could some one, please help me how can I use CSS and Javascript in a topic

Need to include PGN (chess game notation) in a post - feature - Discourse Meta

ChessNoteR Forges A Digital Pathway – Campfire Chess

Algebraic Chess Notation - Chessprogramming wiki

Transcribe Live Chess with Machine Learning Part 1, by Logan Spears

The Basics of Chess Notation: Everything You Need to Know

Chess PGN –

Converting chess OBJ files to voxels - Online Technical Discussion Groups—Wolfram Community

programming - Single-line chess notation (Chessable) to tree-like notation (ChessBase) - Chess Stack Exchange

Chess and a little text file manipulation » Steve on Image Processing with MATLAB - MATLAB & Simulink