Update README.md

KamilMalicki · web-flow · commit 7a321dce795c · 2025-10-30T17:24:56.000+01:00
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 # Bracket Programming Language - Technical Documentation
 
+![Demo](demo.mp4)
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 ## 1\. Introduction
 
 **Bracket Language** is an esoteric programming language (esolang) designed to explore unconventional syntax concepts. Its primary feature, which defines its esoteric nature, is the unique combination of two paradigms:
