[Wiki] Add GrimAC placeholders

docs/users/placeholder-list.md

@@ -232,6 +232,7 @@ Further details on how to contribute to this list or the wiki as a whole can be
         - **[GemsEconomy](#gemseconomy)**
         - **[GriefDefender](#griefdefender)**
         - **[GriefPrevention](#griefprevention)**
+        - **[GrimAC](#grimac)**
         - **[Guilds](#guilds)**
         - **[GuiRedeemMCMMO](#guiredeemmcmmo)**
     
@@ -3227,6 +3228,26 @@ These placeholders work with FactionsUUID and MCore all you need is downloading
 
 ----
 
+### **[GrimAC](https://modrinth.com/plugin/grimac/)**
+/// integrated | Built into Plugin
+///
+
+```
+%grim_player%
+%grim_player_uuid%
+%grim_player_ping%
+%grim_player_brand%
+%grim_player_h_sensitivity%
+%grim_player_v_sensitivity%
+%grim_player_fast_math%
+%grim_player_tps%
+%grim_player_version%
+%grim_prefix%
+%grim_version%
+```
+
+----
+
 ### **[Guilds](https://www.spigotmc.org/resources/48920/)**
 /// integrated | Built into Plugin
 ///

docs/users/plugins-using-placeholderapi.md

@@ -410,6 +410,9 @@ If your plugin isn't shown here and you want it to be added, [read the Wiki READ
 - **[GriefPrevention](https://www.spigotmc.org/resources/1884/)**
     - [ ] Supports placeholders.
     - [x] Provides own placeholders. [**[Link](placeholder-list.md#griefprevention)**]
+- **[GrimAC](https://modrinth.com/plugin/grimac/)**
+    - [x] Supports placeholders.
+    - [x] Provides own placeholders. [**[Link](placeholder-list.md#grimac)**]
 - **[Guilds](https://www.spigotmc.org/resources/48920/)**
     - [ ] Supports placeholders.
     - [x] Provides own placeholders. [**[Link](placeholder-list.md#guilds)**]