docs: fix vercel build

Author: kagawagao

scripts/vercel.sh

@@ -0,0 +1,21 @@
+yum install wget
+
+wget https://github.com/NixOS/patchelf/archive/refs/tags/0.17.0.tar.gz
+tar -xf 0.17.0.tar.gz
+cd patchelf-0.17.0
+./bootstrap.sh
+./configure
+make
+make install
+cd ..
+
+wget https://zlib.net/fossils/zlib-1.2.9.tar.gz
+tar -xf zlib-1.2.9.tar.gz
+cd zlib-1.2.9
+sh configure
+make
+cp libz.so.1.2.9 ../node_modules/canvas/build/Release/libz.so.X
+cd ..
+
+patchelf --replace-needed /lib64/libz.so.1 libz.so.X ./node_modules/canvas/build/Release/libpng16.so.16
+patchelf --replace-needed libz.so.1 libz.so.X ./node_modules/canvas/build/Release/libpng16.so.16