Add headers and fix build

Add more C headers and allow libsb to build correctly with warnings.

README

@@ -13,10 +13,19 @@ installed to run the compiled binary.
     - Godot 4.4
     - Vulkan Developement Libraries (version compatible with Godot 4.4)
     - Godot Jolt
+    - Boost C++ Libraries: https://www.boost.org/
+    - cwebsocket: https://github.com/jeremyhahn/cwebsocket
+    - TinyCThread: https://github.com/tinycthread/tinycthread
 
     Some platforms may require that shared libraries be placed alongside the
 source files, such as MSYS-2.0.dll.
 
+    C Reference:
+        https://en.cppreference.com/w/c
+
+    C++ Reference:
+        https://en.cppreference.com/w/
+
 Build
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