feat: DEV-99 blog migration (#3870)

* feat: blog migration w/ fixes

Co-authored-by: Prospector <prospectordev@gmail.com>

* feat: add changelog button to news page

* fix: lint issues

* refactor: replace nuxt content with `@modrinth/blog`

* feat: shared public folder

* feat: try lazy loading html content

* feat: rss + hide newsletter btn + blog.config.ts

* feat: add new chapter modrinth servers post

* fix: lint issues

* fix: only generate RSS feed if changes detected

* fix: utils dep

* fix: lockfile dep

* feat: GET /email/subscribe + subscription button

* fix: lint issues

* feat: articles.json for app

* Made grid more responsive

* fix: changes

* Make margin slightly smaller in lists

* Fix footer link

* feat: latest news

* Fix responsiveness

* Remove old utm link

* Update changelog

* Lint

---------

Co-authored-by: Prospector <prospectordev@gmail.com>

packages/blog/utils.ts

@@ -0,0 +1,40 @@
+import { execSync } from 'child_process'
+import * as path from 'path'
+
+let REPO_ROOT_CACHE: string | null = null
+export function getRepoRoot(): string {
+  if (REPO_ROOT_CACHE) return REPO_ROOT_CACHE
+  return (REPO_ROOT_CACHE = execSync('git rev-parse --show-toplevel').toString().trim())
+}
+
+export function repoPath(...segments: string[]): string {
+  return path.join(getRepoRoot(), ...segments)
+}
+
+export async function copyDir(
+  src: string,
+  dest: string,
+  logFn: (src: string, dest: string) => void = () => {},
+): Promise<void> {
+  const { promises: fs } = await import('fs')
+  await fs.mkdir(dest, { recursive: true })
+  const entries = await fs.readdir(src, { withFileTypes: true })
+  for (const entry of entries) {
+    const srcPath = path.join(src, entry.name)
+    const destPath = path.join(dest, entry.name)
+    if (entry.isDirectory()) {
+      await copyDir(srcPath, destPath, logFn)
+    } else if (entry.isFile()) {
+      await fs.copyFile(srcPath, destPath)
+      logFn(srcPath, destPath)
+    }
+  }
+}
+
+export function toVarName(file: string): string {
+  return file
+    .replace(/\.md$/, '')
+    .replace(/[^a-zA-Z0-9]/g, '_')
+    .replace(/^_+/, '')
+    .replace(/_+$/, '')
+}