Shaderpack support (#798)

* Shader support PR

* Make search page work

* Fix env showing

* Make moderation look reasonable

* Fix search for shaders

store/cosmetics.js

@@ -18,6 +18,7 @@ export const defaults = {
     plugin: 'list',
     resourcepack: 'gallery',
     modpack: 'list',
+    shader: 'gallery',
     user: 'list',
   },
 }

store/tag.js

@@ -27,6 +27,11 @@ export const state = () => ({
       id: 'modpack',
       display: 'modpack',
     },
+    {
+      actual: 'shader',
+      id: 'shader',
+      display: 'shader',
+    },
   ],
   loaderData: {
     pluginLoaders: ['bukkit', 'spigot', 'paper', 'purpur', 'sponge'],