Update README

README.md

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 # G-DrugSelling
 
-G-DrugSelling is a script for FiveM QBCore for selling drugs (or any items) via vehicle and/or walk up, or target, at configurable coordinates.
+G-DrugSelling is a script for FiveM QBCore for selling drugs (or any items) from the player's inventory via vehicle and/or walk up, or target, at configurable coordinates.
+
+<h1>INSTALLATION GUIDE</h1>
+
+1. Drop the g-drugselling folder into your [standalone] folder (or whichever other ensured folder you want to use)
+
+<h1>FEATURES</h1>
+
+- Create locations anywhere for selling items and choose sellable items and rewards for each location
+- Enable/disable locations, blips, markers, NPCs, and notifications
+- Configure means of selling by location
+ - Examples include walk up, drive up, both, or target
+- Configure sellable quantities and reward amounts per item
+- Configure police required to sell and chance of police alert per location
+
+**IMAGES**
+-----
+Coming Soon
+
+**DEPENDENCIES**
+-----
+- [QBCore](https://github.com/qbcore-framework)
+ - [qb-core](https://github.com/qbcore-framework/qb-core)
+ - [qb-inventory](https://github.com/qbcore-framework/qb-inventory)
+ - [qb-target](https://github.com/qbcore-framework/qb-target)
+
+**CREDIT**
+-----
+Code excerpts for NPC spawning and the concept of NPC render distance were repurposed and refactored from [pickle_farming](https://github.com/PickleModifications/pickle_farming).
+Code excerpts for getting and caching current police count were repurposed from [qb-jewelery](https://github.com/qbcore-framework/qb-jewelery).