message: replaced jspm.dev with esm.sh
diff: -export { default as markdownIt } from "https://jspm.dev/markdown-it@12.3.2";
  -export { default as markdownItAttrs } from "https://jspm.dev/markdown-it-attrs@4.1.3";
  -export { default as markdownItDeflist } from "https://jspm.dev/markdown-it-deflist@2.1.0";
  +export { default as markdownIt } from "https://esm.sh/markdown-it@12.3.2";
  +export { default as markdownItAttrs } from "https://esm.sh/markdown-it-attrs@4.1.3";
  +export { default as markdownItDeflist } from "https://esm.sh/markdown-it-deflist@2.1.0";
  export interface MarkdownItOptions {
  /** Set `true` to enable HTML tags in source */
  