chore: add v3.7.3 changelog and relocate ecosystem section in README

Author: LeanBitLab

README.md

@@ -12,6 +12,8 @@
 
 This fork adds **optional AI-powered features** using Gemini, Groq, and OpenAI-compatible APIs, offering a hybrid experience: a private, offline core with opt-in cloud intelligence.
 
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 ## What's New in LeanType
 
 - **[🤖 Multi-Provider AI](docs/FEATURES.md#supported-ai-providers)** - Proofread using **Gemini**, **Groq** (Llama 3, Mixtral), or **OpenAI-compatible** providers.
@@ -28,6 +30,8 @@ This fork adds **optional AI-powered features** using Gemini, Groq, and OpenAI-c
 - **🔎 Emoji Search** - Search for emojis by name. *Requires loading an Emoji Dictionary.*
 - **🔒 Privacy Choices** - Choose **Standard** (Opt-in AI), **Offline** (Hard-disabled network, offline model load), or **Offline Lite** (Minimalist, no AI) versions.
 
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 ## Screenshots
 
 <table>
@@ -128,6 +132,13 @@ See [LICENSE](/LICENSE) file.
 ### LeanType
 - Built with ❤️ by [LeanBitLab](https://github.com/LeanBitLab)
 
+## 🛡️ LeanBitLab Ecosystem
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+Check out our other projects:
+👉 **[LeanBitLab Projects](https://github.com/LeanBitLab#-current-projects)**
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+---
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 ## Support the Development
 
 Building and maintaining privacy-focused, offline AI apps takes time and resources (test devices, server costs, etc.).

fastlane/metadata/android/en-US/changelogs/3703.txt

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+v3.7.3 - AI Updates & Emoji Fixes
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+* AI Models: Updated Gemini and Groq with latest 2026 models.
+* AI Prompt Keywords: New keyword selectors and improved config flow.
+* Toolbar: Added option to auto-open toolbar on text selection.
+* Emoji: Expanded emoticons, fixed search and preview.
+* Bug Fixes: Resolved issues with one-hand mode.
+* UI Polish: Refined settings and UI tweaks.