include fonts in reactnative code example

Example 1: how to add custom font to react project

@font-face {
  font-family: "AssistantRegular";
  src: local("AssistantRegular"),
    url("./fonts/assistant.regular.ttf") format("truetype");
  font-weight: normal;
}

Example 2: how to link custom fonts in react native

$ react-native link