Add JSON for each Script and a metadata.json file (#86)

* Generated JSON from database with changes suggested by maintainers. Includes a categories.json file that contains all the possible categories

* Renamed categories.json to metadata.json

json/aria2.json

@@ -0,0 +1,39 @@
+{
+    "name": "Aria2",
+    "slug": "aria2",
+    "categories": [
+        16
+    ],
+    "date_created": "2024-05-02",
+    "type": "ct",
+    "updateable": false,
+    "privileged": false,
+    "interface_port": "6880",
+    "documentation": null,
+    "website": "https://aria2.github.io/",
+    "logo": "https://raw.githubusercontent.com/loganmarchione/homelab-svg-assets/main/assets/linux.svg",
+    "description": "Aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/aria2.sh",
+            "resources": {
+                "cpu": "2",
+                "ram": "1028",
+                "hdd": "8",
+                "os": "debian",
+                "version": "12"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": null,
+        "password": null
+    },
+    "notes": [
+        {
+            "text": "Within the LXC console, run `cat rpc.secret` to display the rpc-secret. Copy this token and paste it into the Aria2 RPC Secret Token box within the AriaNG Settings. Then, click the reload AriaNG button.",
+            "type": "warning"
+        }
+    ]
+}