fix single-tilde strikethrough rendering

org card: Hy3 W4A16-MTP release (latest); GLM-5.2 section retained

Org card: add GLM-5.2 W4A16-MTP as lead release

Remove default static-template files so README.md renders as org card

Replace default static-space welcome with proper org card (lab intro + DeepSeek-V4 family table)

Initial org card: lab intro + DeepSeek-V4 family release table

initial commit