Updated _Sidebar (markdown)

_Sidebar.md

@@ -2,6 +2,7 @@
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 ## Library Design
 * [raylib architecture](raylib-architecture)
+* [raylib syntax analysis](raylib-syntax-analysis)
 * [raylib data structures](raylib-data-structures)
 * [raylib enumerated types](raylib-enumerated-types)
 * [raylib external dependencies](raylib-dependencies)