readme: add project description

README.md

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+# ShaguTweaks-extras
+
+Some extra modules and features for the [ShaguTweaks](https://github.com/shagu/ShaguTweaks) addon.
+
+All addon settings can be controlled in game via the "Advanced Options" button on the Main Menu (*Esc*).
+Every of the listed features below, can be completely disabled in that menu in case you don't like it.
+
+> [!IMPORTANT]
+>
+> **This addon requires you to have [ShaguTweaks](https://github.com/shagu/ShaguTweaks) installed.**
+>
+> Install instructions for ShaguTweaks can be found on the [GitHub Page](https://github.com/shagu/ShaguTweaks).
+
+
+## Installation (Vanilla, 1.12)
+
+1. Download **[Latest Version](https://github.com/shagu/ShaguTweaks-extras/archive/master.zip)**
+2. Unpack the Zip file
+3. Rename the folder "ShaguTweaks-extras-master" to "ShaguTweaks-extras"
+4. Copy "ShaguTweaks-extras" into Wow-Directory\Interface\AddOns
+5. Restart Wow
+
+
+## Features
+
+- **Chat History**  
+  *Save chat history of all non-combatlog windows and restore it on login.*
+
+- **Macro Icons**  
+  *Detect showtooltip and spells in macros to use them on action buttons.*
+
+- **Macro Tweaks**  
+  *Add /equip command to macros, remove #showtooltip from chat and hide macro commands from history.*
+
+- **Reduced Actionbar Bags**  
+  *Shows bag and keyring buttons when using the reduced actionbar layout. Hold Ctrl+Shift to move the bag bar.*
+
+- **Reduced Actionbar MicroMenu**  
+  *Shows micro menu buttons when using the reduced actionbar layout. Hold Ctrl+Shift to move the micro menu.*
+
+- **WorldMap Reveal**  
+  *Reveals unexplored world map areas and shows exploration hints.*