Add extensions page (#648)

app/controllers/extensions_controller.rb

@@ -0,0 +1,4 @@
+class ExtensionsController < ApplicationController
+  def index
+  end
+end

app/helpers/extensions_helper.rb

@@ -0,0 +1,2 @@
+module ExtensionsHelper
+end

app/views/extensions/index.html.erb

@@ -0,0 +1,19 @@
+<div>
+  <h1 class="font-bold text-4xl">Extensions</h1>
+  <em class="m-4">These are third-party extensions that can be used with Hackatime. Everything in the list is community made and not guaranteed to work!</em>
+
+  <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+    <div class="border rounded-lg p-4 bg-[#2c2f33]">
+      <h2 class="font-bold text-2xl mb-2">Hackatime Desktop</h2>
+      <p>Desktop app for Hackatime. Runs on Mac, Windows, and Linux.</p>
+      <%= link_to "Source", "https://github.com/hackclub/hackatime-desktop", class: "text-primary hover:underline", allow_host: true %> |
+      <%= link_to "Install", "https://github.com/hackclub/hackatime-desktop/releases", class: "text-primary hover:underline", allow_host: true %>
+    </div>
+    <div class="border rounded-lg p-4 bg-[#2c2f33]">
+      <h2 class="font-bold text-2xl mb-2">Cattatime</h2>
+      <p>A Tamagotchi system for Hackatime. Code, fill your cup, and get your pet rewards. Windows only.</p>
+      <%= link_to "Source", "https://github.com/joysudo/catatime/tree/master", class: "text-primary hover:underline", allow_host: true %> |
+      <%= link_to "Install", "https://github.com/joysudo/catatime/releases/", class: "text-primary hover:underline", allow_host: true %>
+    </div>
+  </div>
+</div>

app/views/shared/_nav.html.erb

@@ -42,6 +42,11 @@
               Docs
             <% end %>
           </div>
+          <div>
+            <%= link_to extensions_path, class: "block px-2 py-1 rounded-lg transition #{current_page?(extensions_path) ? 'bg-primary/50 text-primary' : 'hover:bg-[#23272a]'}", data: { action: "click->nav#clickLink" } do %>
+              Extensions
+            <% end %>
+          </div>
           <div>
             <%= link_to "/what-is-hackatime", class: "block px-2 py-1 rounded-lg transition #{current_page?('/what-is-hackatime') ? 'bg-primary/50 text-primary' : 'hover:bg-[#23272a]'}", data: { action: "click->nav#clickLink" } do %>
               What is Hackatime?
@@ -59,11 +64,11 @@
               Docs
             <% end %>
           </div>
-          <% superadmin_tool(nil, "div") do %>
-            <%= link_to my_mailing_address_path, class: "block px-2 py-1 rounded-lg transition #{current_page?(my_mailing_address_path) ? 'bg-primary/50 text-primary' : 'hover:bg-[#23272a]'}", data: { action: "click->nav#clickLink" } do %>
-              Mailing Address
+          <div>
+            <%= link_to extensions_path, class: "block px-2 py-1 rounded-lg transition #{current_page?(extensions_path) ? 'bg-primary/50 text-primary' : 'hover:bg-[#23272a]'}", data: { action: "click->nav#clickLink" } do %>
+              Extensions
             <% end %>
-          <% end %>
+          </div>
           <div>
             <%= link_to my_mailroom_path, class: "block px-2 py-1 rounded-lg transition #{current_page?(my_mailroom_path) ? 'bg-primary/50 text-primary' : 'hover:bg-[#23272a]'}", data: { action: "click->nav#clickLink" } do %>
               Mailroom

config/routes.rb

@@ -15,6 +15,8 @@ Rails.application.routes.draw do
 
   root "static_pages#index"
 
+  resources :extensions, only: [ :index ]
+
   constraints AdminLevelConstraint.new(:superadmin) do
     mount GoodJob::Engine => "good_job"
     mount AhoyCaptain::Engine => "/ahoy_captain"