Add button images to docs

Author: ItsNature

docs/developers/modules/chat.mdx

@@ -758,7 +758,7 @@ The Apollo API version of both layouts is shown below, the `apollo-protos` and J
 
 Chat channel switchers: Team, Public and Party.
 
-# TODO: Add image/gif
+![Channels Layout](/modules/chat/channels.png#center)
 
 ```java
 public static void display(ChatModule chatModule, Player viewer) {
@@ -828,7 +828,7 @@ The same layout built with raw payloads: [apollo-protos implementation](https://
 
 Staff and Public channel switchers plus Clear, Mute and Unmute quick actions.
 
-# TODO: Add image/gif
+![Staff Chat Layout](/modules/chat/staff-chat.png#center)
 
 ```java
 public static void display(ChatModule chatModule, Player viewer) {

docs/developers/modules/inventory.mdx

@@ -700,7 +700,7 @@ The Apollo API version of every layout is shown below, the `apollo-protos` and J
 
 A full server menu: shop, spawn, warps, ender chest and a live balance readout, profile, settings, vote, Discord and back to lobby buttons.
 
-# TODO: Add image/gif
+![Menu Layout](/modules/inventory/menu.png#center)
 
 ```java
 public static void display(InventoryModule inventoryModule, Player viewer) {
@@ -940,7 +940,7 @@ The same layout built with raw payloads: [apollo-protos implementation](https://
 
 A hub server selector: Practice, Factions, BedWars and SoupPvP, profile, settings and a changelog button.
 
-# TODO: Add image/gif
+![Hub Layout](/modules/inventory/hub.png#center)
 
 ```java
 public static void display(InventoryModule inventoryModule, Player viewer) {
@@ -1117,7 +1117,7 @@ The same layout built with raw payloads: [apollo-protos implementation](https://
 
 A minigame overlay: map info, a live kill counter and mod-aware Show Map / Waypoints buttons using client actions, profile, settings and back to lobby buttons.
 
-# TODO: Add image/gif
+![Minigame Layout](/modules/inventory/minigame.png#center)
 
 ```java
 public static void display(InventoryModule inventoryModule, Player viewer) {
@@ -1313,7 +1313,7 @@ The same layout built with raw payloads: [apollo-protos implementation](https://
 
 A live server-stats dashboard: player count, TPS, CPU and RAM refreshing every second (requires `buttons.live-broadcast`), gamemode switch buttons.
 
-# TODO: Add image/gif
+![Staff Layout](/modules/inventory/staff.png#center)
 
 ```java
 private static final DateTimeFormatter TIME_FORMAT = DateTimeFormatter.ofPattern("HH:mm:ss");