src/fonts/manifest.json

{
  "families": [
    {
      "family": "Material Icons",
      "aliases": [
        "MaterialIcons"
      ],
      "fallback": false,
      "fonts": [
        {
          "asset": "fonts/MaterialIcons-Regular.ttf",
          "package": "fuchsia-pkg://fuchsia.com/font_package_materialicons_regular_ttf",
          "code_points": "48+9,38,2+25,57222+3,22,2+6,2+1,4+4,2+3,2+6,2+24,2+28,62+13,2+1,4+1,2+31,96+40,35+5,7,7+32,5,5+3,8+3,5+2,68+62,88+8,2+3,3,59+1,2+14,2+30,101+67,2+12,3+34,2+25,2+12,241+9,3+57,81+26,49+18,3+34,127+1,24,2,2,264,5+19,10+3,3+4,31+6,19+4,2+32,2+65,2+22,2+48,2+4,2+7,2+26,528+17,1053873"
        }
      ]
    },
    {
      "family": "Roboto",
      "fallback": true,
      "generic_family": "sans-serif",
      "fonts": [
        {
          "asset": "fonts/Roboto-Regular.ttf",
          "package": "fuchsia-pkg://fuchsia.com/font_package_roboto_regular_ttf",
          "code_points": "0,2,11,19+94,34+223,16,3,14+1,14+1,64,10+5,25+3,28,34,99,10+1,2,15+5,22,13+1,2,6,6,20,97+6,2,2+19,2+43,3+1,4,42+134,2+139,6381+1,61+1,65+5,27+89,84,179+11,5+1,2+2,2+7,2+2,3+2,9,2+1,6+1,2,8,48,11,36+1,2+6,5,8+1,2+1,72,14,3,12,4,8,45+3,164,4,9,2+1,8,4,13,29,24,4+1,869,51255+1,2241,1086+3,1019,253+1"
        },
        {
          "asset": "fonts/Roboto-Light.ttf",
          "package": "fuchsia-pkg://fuchsia.com/font_package_roboto_light_ttf",
          "weight": 300,
          "code_points": "0,2,11,19+94,34+223,16,3,14+1,14+1,64,10+5,25+3,28,34,99,10+1,2,15+5,22,13+1,2,6,6,20,97+6,2,2+19,2+43,3+1,4,42+134,2+139,6381+1,61+1,65+5,27+89,84,179+11,5+1,2+2,2+7,2+2,3+2,9,2+1,6+1,2,8,48,11,36+1,2+6,5,8+1,2+1,72,14,3,12,4,8,45+3,164,4,9,2+1,8,4,13,29,24,4+1,869,51255+1,2241,1086+3,1019,253+1"
        },
        {
          "asset": "fonts/Roboto-Medium.ttf",
          "package": "fuchsia-pkg://fuchsia.com/font_package_roboto_medium_ttf",
          "weight": 500,
          "code_points": "0,2,11,19+94,34+223,16,3,14+1,14+1,64,10+5,25+3,28,34,99,10+1,2,15+5,22,13+1,2,6,6,20,97+6,2,2+19,2+43,3+1,4,42+134,2+139,6381+1,61+1,65+5,27+89,84,179+11,5+1,2+2,2+7,2+2,3+2,9,2+1,6+1,2,8,48,11,36+1,2+6,5,8+1,2+1,72,14,3,12,4,8,45+3,164,4,9,2+1,8,4,13,29,24,4+1,869,51255+1,2241,1086+3,1019,253+1"
        }
      ]
    }
  ]
}