Add OpenCode Go model evals site, model guide and Cloudflare Pages deploy

- Task matrix (12 task families x 23 Go models) from Artificial Analysis evals
- Price/value scatter and value ranking
- Model guide: what each model is targeted for (agentic, coding, data analysis,
  image understanding, research, free tier) with pricing and caveats
- MODELS.md markdown version, README, MIT license
- wrangler.toml + Gitea Actions workflow deploying site/ to Cloudflare Pages

.gitea/workflows/pages.yml

@@ -0,0 +1,33 @@
+name: Deploy to Cloudflare Pages
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+
+      - name: Install Wrangler
+        run: npm install --no-save wrangler@^4
+
+      - name: Stage markdown copy
+        run: cp MODELS.md site/MODELS.md
+
+      - name: Deploy to Cloudflare Pages
+        env:
+          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+        run: npx wrangler pages deploy site --project-name opencodogoevals --branch main --commit-hash ${{ gitea.sha }}