dsh-lol-esports: Add a League of Legends esports watching panel to DSH Web

neilny/dsh-lol-esports is a DSH client plugin forked from Rustyibe/dsh-lol. It provides the World Championship schedule, results, viewing links, and in-game real-time data bars in the left column. It supports querying AI for a specific match, chatting about the entire tournament, and bilingual support (Chinese/English). This article introduces its features, installation commands, data sources, known limitations (only supports Worlds, real-time data lags by approximately one minute), and development approach.