Add README

README.md

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+##XenforoResourceManagerAPI
+-----
+This project aims to safely expose information from the [SpigotMC](https://spigotmc.org) website in a machine-readable format for use in projects and other systems.
+
+### Current Capabilities
+| Action               | Parameters          | Description                                                                                     |
+|----------------------|---------------------|-------------------------------------------------------------------------------------------------|
+| getResource          | **id**: resource id | get information about a [resource](https://www.spigotmc.org/resources/)                         |
+| getResourcesByAuthor | **id**: author id   | get information about all [resources](https://www.spigotmc.org/resources/) by a specific author |
+| getAuthor            | **id**: author id   | get information about an author    
+
+### How To Use
+All requests must currently be sent via **GET** to https://api.spigotmc.org/simple/0.1/index.php. To get started, attach a **GET** parameter `action` specifying which operation you'd like to perform (seen above). Then, attach the action's **GET** parameter(s) (seen above, currently only `id`).
+
+### Example
+Here are examples of current capabilities:
+
+#### getResource
+##### Request: https://api.spigotmc.org/simple/0.1/index.php?action=getResource&id=2
+##### Response:
+```json
+{
+  "id": "201",
+  "title": "XenPermissions",
+  "tag": "Hook your permissions into Xenforo!",
+  "author": {
+    "id": "1",
+    "username": "md_5"
+  },
+  "premium": {
+    "price": "0.00",
+    "currency": ""
+  },
+  "stats": {
+    "downloads": "938",
+    "updates": "0",
+    "reviews": "4",
+    "rating": "4.5"
+  }
+}
+```
+
+### getResourcesByAuthor
+#### Request: https://api.spigotmc.org/simple/0.1/index.php?action=getResourcesByAuthor&id=1
+#### Response:
+```json
+[
+  {
+    "id": "201",
+    "title": "XenPermissions",
+    "tag": "Hook your permissions into Xenforo!",
+    "author": {
+      "id": "1",
+      "username": "md_5"
+    },
+    "premium": {
+      "price": "0.00",
+      "currency": ""
+    },
+    "stats": {
+      "downloads": "938",
+      "updates": "0",
+      "reviews": "4",
+      "rating": "4.5"
+    }
+  },
+  {
+    "id": "342",
+    "title": "iTag",
+    "tag": "Performant and Reliable TagAPI Replacement",
+    "author": {
+      "id": "1",
+      "username": "md_5"
+    },
+    "premium": {
+      "price": "0.00",
+      "currency": ""
+    },
+    "stats": {
+      "downloads": "23521",
+      "updates": "2",
+      "reviews": "17",
+      "rating": "4.41176"
+    }
+  },
+  ...
+]
+```
+*Please note, results were truncated.*
+
+### getAuthor
+#### Request: https://api.spigotmc.org/simple/0.1/index.php?action=getAuthor&id=1
+#### Response:
+```json
+{
+  "id": "1",
+  "username": "md_5",
+  "resource_count": "12",
+  "avatar": {
+    "info": "1545025664",
+    "hash": "b53fd878a84d268da2b6456e0b96cae5"
+  }
+}
+```