Docs: add docsify support

Looks nicer

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+# Perfetto
+
+![logo](https://ui.perfetto.dev/assets/logo-3d.png ':size=350')
+
+> Performance instrumentation and tracing for Android, Linux and Chrome
+
+* Open-source project for platform tracing.
+* Trace processing and analysis.
+* Web-based trace viewer UI.
+
+[Docs](#perfetto-performance-instrumentation-and-tracing)
+[Sources](https://android.googlesource.com/platform/external/perfetto/)
+[Trace viewer UI](https://ui.perfetto.dev)
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