refactor: refine code structure

refactor: refine code structure

enhance: find xcaddy from PATH or go bin for build script

enhance: find xcaddy from PATH or go bin for build script

enhance: find xcaddy from PATH or go bin for build script

enhance: find xcaddy from PATH or go bin for build script

fix: certdx caddy use caddy logger

fix: certdx caddy use caddy logger

fix: caddy certdx daemon no stoping correctly

fix: remove wrong description from readme

fix: remove wrong description from readme

fix: typo

chore: update repo structure

fix: monorepo

fix: caddy config not loading correctly

feat: enhance certdx caddy plugin

refactor: rename client config "Server" block to "Common" block

refactor: use map as client cache

chore: go mod

feat: caddy cert cache

feat: caddy support

feat: caddy support

fix: caddy config

fix: caddy config

fix: config