Enable emmet-language-server in Elixir files

I'm sure there's a better way to do this, but I don't want to become an
expert in Lua right now.

Author: TheDDMbassy

lua/plugins/lsp.lua

@@ -287,7 +287,13 @@ return { -- LSP Plugins
 
       require('mason-lspconfig').setup {
         ensure_installed = {}, -- explicitly set to an empty table (Kickstart populates installs via mason-tool-installer)
-        automatic_enable = true,
+        automatic_enable = {
+          exclude = {
+            -- HACK: I was unable to get the `filetypes` and `init_options` working in the emmet table above, and this
+            -- was the solution :(
+            'emmet_language_server',
+          },
+        },
         automatic_installation = false,
         handlers = {
           function(server_name)
@@ -300,6 +306,30 @@ return { -- LSP Plugins
           end,
         },
       }
+
+      -- HACK: See above hack
+      require('lspconfig')['emmet_language_server'].setup {
+        filetypes = {
+          'css',
+          'eelixir',
+          'elixir',
+          'heex',
+          'html',
+          'javascript',
+          'javascriptreact',
+          'less',
+          'sass',
+          'scss',
+          'typescriptreact',
+        },
+        init_options = {
+          includeLanguages = {
+            eelixir = 'html',
+            elixir = 'html',
+            heex = 'html',
+          },
+        },
+      }
     end,
   },
   {