chore: import upstream snapshot with attribution

packages/plugins/threads/package.json

@@ -0,0 +1,78 @@
+{
+  "name": "@docmd/plugin-threads",
+  "version": "0.8.12",
+  "type": "module",
+  "description": "Inline discussion threads for docmd.",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    }
+  },
+  "files": [
+    "dist",
+    "i18n"
+  ],
+  "engines": {
+    "node": ">=18"
+  },
+  "docmd": {
+    "key": "threads",
+    "kind": "plugin",
+    "displayName": "Threads",
+    "tagline": "Inline discussion comments stored in Markdown.",
+    "capabilities": [
+      "markdown",
+      "body",
+      "assets",
+      "actions",
+      "translations"
+    ]
+  },
+  "scripts": {
+    "build": "tsc && node build.js",
+    "build:client": "node build.js",
+    "test": "echo 'TODO: migrate tests to vitest'"
+  },
+  "peerDependencies": {
+    "@docmd/api": "workspace:*",
+    "@docmd/parser": "workspace:*"
+  },
+  "dependencies": {
+    "@awesome.me/webawesome": "^3.10.0",
+    "@docmd/utils": "workspace:*",
+    "lit": "^3.3.3"
+  },
+  "devDependencies": {
+    "@docmd/api": "workspace:*",
+    "@playwright/test": "^1.61.1",
+    "@types/node": "^24.13.3",
+    "esbuild": "^0.28.1"
+  },
+  "keywords": [
+    "docmd",
+    "plugin",
+    "threads",
+    "discussions",
+    "comments",
+    "editor",
+    "collaboration",
+    "markdown",
+    "documentation",
+    "minimalist",
+    "zero-config",
+    "site-generator",
+    "static-site-generator",
+    "docs"
+  ],
+  "author": {
+    "name": "Saulo Vallory"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/docmd-io/docmd.git"
+  },
+  "license": "MIT"
+}