main: center watermark to text

improve readability with watermark & draft present

file from:
magick +antialias -density 300 logo.pdf[0] -crop 2700x2700+900+900 -fill none -opaque white -fill gray90 -fuzz 50% -opaque black out.png

where logo.pdf is .ai from school, which is actually pdf

add editorconfig

Abstract_chinese: refine

build: add sourcehut ci

Abstract_chinese: draft up

main: respect font settings

load_env: kai-ify

load_env: indicate draft status

update metadata

main: chinese toc

load_env: free the fonts

add gitignore for tectonic

改成xelatex

Updates from Overleaf

根據圖書館的說明修了一下主頁(main.tex)的內容, 還有Excel2Latex的作法.

Updates from Overleaf

update

Updates from Overleaf

新增偵測字數語法