docs: upd diagrams, new qwen-qlora-train, qwen35-toolkit links

docs: add qwen-qlora-train link to fine-tuning section

docs: add Conversion section linking qwen35-toolkit

upd .gitattributes

upd visual tower info in readme

upd Model family in readme

upd Pipeline diagram in readme

add Pipeline diagram into readme

add rendered mermaid into readme

upd readme

cleanup, add chat template

Upload a Text-Only model

initial commit