site: full Astro source + blog posts, Gitea Actions deploy to CT148

Replaces the placeholder repo with the asger.weirsoe.dk site source.
Adds 6 blog posts (Proxmox, Authentik/OIDC, NPMplus migration, JS injection,
ah-fail) and .gitea/workflows/deploy.yml (bun build + rsync over SSH).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -0,0 +1,38 @@
+name: Build & Deploy
+
+on:
+  push:
+    branches: [master, main]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Build site
+        run: bun run build
+
+      - name: Deploy dist/ to CT148 over SSH
+        env:
+          DEPLOY_HOST: 192.168.10.148
+          DEPLOY_USER: root
+          DEPLOY_PATH: /var/www/asger
+        run: |
+          set -euo pipefail
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -t ed25519 "$DEPLOY_HOST" >> ~/.ssh/known_hosts 2>/dev/null || true
+          rsync -az --delete \
+            -e "ssh -i ~/.ssh/deploy_key -o StrictHostKeyChecking=accept-new" \
+            dist/ "$DEPLOY_USER@$DEPLOY_HOST:$DEPLOY_PATH/"