Fix libsql linking error when building inside DevContainer on Mac

```
/usr/bin/ld: /lib/aarch64-linux-gnu/libdl.so.2: error adding symbols: DSO missing from command line
```

Author: fabiolnm

everest-cpp/init.sh

@@ -33,4 +33,4 @@ cd everest-core/build
 echo ""
 echo "You can now build everest-core with the following commands:"
 echo ""
-echo "cmake .. && make install -j$(nproc)"
+echo "cmake .. -DBUILD_SHARED_LIBS=on && make install -j$(nproc)"