v21: Button spacing and deploy script

- 1px spacing between status buttons
- Rounded corners on all buttons
- Invisible spacer for consistent row alignment
- Added scripts/deploy.sh for auto-incrementing version on deploy

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/deploy.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+# Deploy script - increments version and relaunches container
+# Usage: ./scripts/deploy.sh
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+# Extract current version number from templates.go
+CURRENT=$(grep -o '>v[0-9]*<' templates.go | grep -o '[0-9]*' | head -1)
+
+if [ -z "$CURRENT" ]; then
+    echo "Could not find version number in templates.go"
+    exit 1
+fi
+
+# Increment version
+NEW=$((CURRENT + 1))
+
+# Update templates.go
+sed -i '' "s/>v${CURRENT}</>v${NEW}</" templates.go
+
+echo "Version: v${CURRENT} -> v${NEW}"
+
+# Rebuild and relaunch
+docker compose up -d --build
+
+echo "Deployed v${NEW}"