docs: add jump-to-top links to Architecture Server

Architecture-Server.md

@@ -1,12 +1,20 @@
+<a id="top"></a>
+
 # Tekton Dash Armageddon - Server Architecture
 
 ## Nakama Backend (`server/nakama/lua/`)
 
+[Back to top](#top)
+
+
 The backend runs on Nakama, written in Lua. It provides authoritative server-side logic for the economy, anti-cheat, mail, and gacha pulls. 
 
 Godot clients call these endpoints via `BackendService.api_rpc_async()`.
 
 ### Key Lua Modules
+
+[Back to top](#top)
+
 - **`economy.lua`:**
   - `buy_currency`: Validates mock/Google/Apple receipts and directly adds Gold or subtracts Gold for Stars via `nk.wallet_update`.
   - `purchase_item`: Buys cosmetic items from the shop catalog. Validates wallet funds and writes to `inventory` storage.
@@ -21,6 +29,9 @@ Godot clients call these endpoints via `BackendService.api_rpc_async()`.
 
 ## Client / Server Wallet Synchronization
 
+[Back to top](#top)
+
+
 There is **only one authoritative wallet** per user stored on the Nakama backend.
 
 1. Lua calls `nk.wallet_update(changeset)` upon any transaction.
@@ -31,9 +42,15 @@ There is **only one authoritative wallet** per user stored on the Nakama backend
 
 ## CI/CD and Hot-Patching Pipeline (`.gitea/workflows/`)
 
+[Back to top](#top)
+
+
 The game features two distinct automated deployment pipelines.
 
 ### Full Releases (`ci.yml`)
+
+[Back to top](#top)
+
 - **Trigger:** Pushing a git tag (e.g. `v3.0.0`).
 - **Purpose:** Compiling heavy native binaries (Windows `.exe`, Linux binaries, macOS `.app`).
 - **Flow:**
@@ -44,6 +61,9 @@ The game features two distinct automated deployment pipelines.
 - **Player Experience:** Must download and replace their entire game folder/executable.
 
 ### Hot-Patching (`deploy_patch.yml`)
+
+[Back to top](#top)
+
 - **Trigger:** Manual `workflow_dispatch` button from the Gitea UI.
 - **Purpose:** Pushing lightweight Godot asset changes (Scripts, Scenes, VFX, Sounds) instantly.
 - **Flow:**