Use existing static site generator instead of creating wheels

[at15]

sad, but ... let's face it

Just to code something ugly, fast and to make it work is ok, I think... rather than some fancy tools
by @ComMouse two years ago ...

• https://github.com/netlify/staticgen list top open source generator
  • https://docusaurus.io/ is the doc generator I saw several days ago ...
• also may consider use existing cli framework Better cli framework #5
• for yaml Config file sturcutre #4 might just use some workaround, I could wait for RCL [dialect] Reika Configuration Language RCL at15/reika#49, which might take even longer time ...

[at15]

and the milestone 0.2 has pass due for 1 year ....