refactor plugins to be functions instead of classes

package.json

@@ -30,7 +30,6 @@
     "chalk": "^4.1.2",
     "cli-spinner": "^0.2.10",
     "esbuild-sass-plugin": "^2.9.0",
-    "flamethrower-router": "^0.0.0-meme.12",
     "github-slugger": "^2.0.0",
     "globby": "^13.1.4",
     "gray-matter": "^4.0.3",
@@ -38,9 +37,12 @@
     "hast-util-to-string": "^2.0.0",
     "is-absolute-url": "^4.0.1",
     "mdast-util-find-and-replace": "^2.2.2",
+    "mdast-util-to-string": "^3.2.0",
+    "micromorph": "^0.4.5",
     "preact": "^10.14.1",
     "preact-render-to-string": "^6.0.3",
     "pretty-time": "^1.1.0",
+    "reading-time": "^1.5.0",
     "rehype-autolink-headings": "^6.1.1",
     "rehype-katex": "^6.0.3",
     "rehype-pretty-code": "^0.9.6",