Add package_all.sh and Caddy /skills/ endpoint

Skill files now downloadable at https://cortex.hydrascale.net/skills/<name>.skill

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -1 +1,2 @@
 *.skill
+dist/

package_all.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Packages all skills in /data/skills/ into .skill zip files in /data/skills/dist/
+set -e
+
+SKILLS_DIR="/data/skills"
+DIST_DIR="/data/skills/dist"
+mkdir -p "$DIST_DIR"
+
+cd "$SKILLS_DIR"
+
+for skill_dir in */; do
+    skill_name="${skill_dir%/}"
+    # Skip non-skill directories
+    if [ ! -f "$skill_dir/SKILL.md" ]; then
+        continue
+    fi
+    output="$DIST_DIR/${skill_name}.skill"
+    echo "Packaging $skill_name -> $output"
+    # .skill files are just zips of the skill directory
+    cd "$SKILLS_DIR"
+    zip -r "$output" "$skill_dir" -x "*.pyc" -x "__pycache__/*" > /dev/null
+    echo "  Done: $(du -h "$output" | cut -f1)"
+done
+
+echo "All skills packaged in $DIST_DIR"
+ls -lh "$DIST_DIR"
+