v0.2.0 of syni

Flutter SDK for Syni — adaptive on-device LLM inference with hybrid local/cloud chat, structured persona conditioning, and a streaming chat API designed for the UI thread. Changelog excerpt: ### Changed (breaking) - iOS podspec switched from static .a+ force_loadto a vendored dynamic framework via prepare_commandsymlink. Consumer apps install SyniRuntime.xcframeworkvia synheart install syni; the podspec walks up from POD_DIR(or honors SYNHEART_APP_ROOT) to find it. - library_loader.dartuses DynamicLibrary.process()on iOS so symbols resolve from the auto-loaded embedded framework (matches the pattern in core-flutter v0.5.0). ### Other - .gitignoreexcludes the s[...]