feat: add 5 research tools and blocks framework setup

- Add @tpmjs/tools-page-brief for URL content extraction
- Add @tpmjs/tools-compare-pages for cross-source validation
- Add @tpmjs/tools-source-credibility for credibility scoring
- Add @tpmjs/tools-claim-checklist for factual claim extraction
- Add @tpmjs/tools-timeline-from-text for timeline generation
- Move createBlogPost to packages/tools/official/
- Add blocks.yml for Blocks framework validation
- Update pnpm-workspace.yaml to include official tools

packages/tools/official/source-credibility/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "@tpmjs/tsconfig/base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src",
+    "incremental": false,
+    "composite": false
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}