chore: flatten Altoholic-Addon/ wrapper + add standard .gitignore/.gitattributes

Each DataStore_* / Altoholic_* addon now lives at the repo root, matching
the Exiles fork-layout convention (one folder per addon, no wrapper dir).

DataStore/DataStore.toc

@@ -0,0 +1,24 @@
+## Interface: 30300
+## Title: DataStore
+## Notes: Main DataStore Module
+## Author: Thaoky (EU-Marécages de Zangar)
+## Version: 3.3.001
+## OptionalDeps: Ace3, LibAboutPanel 
+## SavedVariables: DataStoreDB
+## X-Embeds: Ace3
+## X-Category: Interface Enhancements
+## X-Localizations: enUS, frFR, zhCN, zhTW, deDE, koKR, esES, esMX, ruRU
+## X-Website: http://wow.curse.com/downloads/wow-addons/details/datastore.aspx
+## X-eMail: thaoky.altoholic@yahoo.com
+## X-Donate: http://wow.curse.com/downloads/wow-addons/details/altoholic.aspx
+## X-Credits: My guild (Odysseüs), all translators, the wowace community, and all users for their invaluable suggestions !
+## X-Curse-Packaged-Version: r26
+## X-Curse-Project-Name: DataStore
+## X-Curse-Project-ID: datastore
+## X-Curse-Repository-ID: wow/datastore/mainline
+
+embeds.xml
+locale.xml
+
+DataStore.lua
+Options.xml