Update build.jl

Author: yiyuef

deps/build.jl

@@ -5,7 +5,6 @@ repo_src = joinpath(@__DIR__,"..","src")
 notebooks_dir = joinpath(@__DIR__,"..","notebooks")
 
 files = [
-  "Gmsh/Gridap workflow"=>"gmsh_gridap.jl"
   "Poisson equation"=>"poisson.jl",
   "Code validation"=>"validation.jl",
   "Linear elasticity"=>"elasticity.jl",
@@ -15,6 +14,7 @@ files = [
   "Darcy equation (with RT)"=>"darcy.jl",
   "Incompressible Navier-Stokes"=>"inc_navier_stokes.jl",
   "Stokes equation" => "stokes.jl",
+  "Advection-diffusion" => "advection_diffusion.jl"
   "Isotropic damage model" => "isotropic_damage.jl",
   "Fluid-Structure Interaction"=>"fsi_tutorial.jl",
   "Electromagnetic scattering in 2D"=>"emscatter.jl",