add gemini-dl, gemtext-php links

index.gmi

@@ -11,8 +11,10 @@ Open Source Solutions for Yggdrasil Ecosystem
 => gemini/yo/index.gmi Yo! Micro Web Crawler in PHP & Manticore
 => https://github.com/kevachat/geminiapp KevaChat - Chat in KevaCoin BlockChain
 => https://github.com/kvazar-network/geminiapp KevaCoin Explorer for Gemini Protocol
+=> https://github.com/YGGverse/gemini-dl CLI downloader for Gemini Protocol
+=> https://github.com/YGGverse/gemtext-php - Object-oriented PHP library for Gemtext
 => https://github.com/YGGverse/Pulsar Pulsar - RSS Aggregator for Gemini Protocol
-=> https://github.com/YGGverse/titan-II Titan-II fork with native IPv6 support
+=> https://github.com/YGGverse/titan-II Titan-II fork with native IPv6 support (archive)
 => https://github.com/YGGverse/Yoda Yoda is PHP-GTK 3 Browser for Gemini Protocol
 
 ### NEX