Release v1.20.0: Add twitter-reader skill

- Add twitter-reader v1.0.0 for Twitter/X content fetching via Jina.ai API
- Implement secure API key management using environment variables
- Support individual and batch tweet fetching with bundled scripts
- Include Python (fetch_tweet.py) and Bash (fetch_tweets.sh) scripts
- Update marketplace to v1.20.0 (26 → 27 skills)
- Update all documentation (README.md, README.zh-CN.md, CLAUDE.md)
- Security: Remove hardcoded API keys, enforce HTTPS, add validation

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

twitter-reader/scripts/fetch_tweets.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Fetch Twitter/X post content using jina.ai API
+# Usage: ./fetch_tweets.sh <url1> [url2] ...
+# Requires: JINA_API_KEY environment variable
+
+if [ -z "$JINA_API_KEY" ]; then
+    echo "Error: JINA_API_KEY environment variable is not set" >&2
+    echo "Get your API key from https://jina.ai/ and set:" >&2
+    echo "  export JINA_API_KEY='your_api_key_here'" >&2
+    exit 1
+fi
+
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 <tweet_url> [tweet_url2] ..."
+    echo "Example: $0 https://x.com/dabit3/status/2009131298250428923"
+    exit 1
+fi
+
+for url in "$@"; do
+    if [[ ! "$url" =~ ^https?://(x\.com|twitter\.com)/ ]]; then
+        echo "Skipping invalid URL: $url" >&2
+        continue
+    fi
+
+    echo "Fetching: $url"
+    curl -s "https://r.jina.ai/${url}" \
+        -H "Authorization: Bearer ${JINA_API_KEY}"
+    echo ""
+    echo "---"
+    echo ""
+done