Tests and coverage for web

src/web/pug/guild_access_denied.pug

@@ -0,0 +1,22 @@
+extends includes/template.pug
+
+block body
+  if !session.data.managedGuilds
+    .s-empty-state.wmx4.p48
+      != icons.Spots.SpotEmptyXL
+      p You need to log in to manage your servers.
+      a.s-btn.s-btn__icon.s-btn__filled(href="/oauth")
+        != icons.Icons.IconDiscord
+        = ` Log in with Discord`
+
+  else if !guild_id
+    .s-empty-state.wmx4.p48
+      != icons.Spots.SpotEmptyXL
+      p Select a server from the top right corner to continue.
+      p If the server you're looking for isn't there, try #[a(href="/oauth?action=add") logging in again.]
+
+  else if !discord.guilds.has(guild_id) || !session.data.managedGuilds.includes(guild_id)
+    .s-empty-state.wmx4.p48
+      != icons.Spots.SpotAlertXL
+      p Either the selected server doesn't exist, or you don't have the Manage Server permission on Discord.
+      p If you've checked your permissions, try #[a(href="/oauth") logging in again.]