Added the package amxmodx to repository/a.json (#6332)

* Added the package amxmodx to repository/a.json

* Added the `build system` keyword to the amxmodx package due

the new update adding it.

* Split the tag `amxx pawn` to `amxx`, `pawn`.

* Fixed extra space before `amxx` tag.

repository/a.json

@@ -665,6 +665,17 @@
 				}
 			]
 		},
+		{
+			"name": "amxmodx",
+			"details": "https://github.com/evandrocoan/SublimeAMXX_Editor",
+			"labels": ["autocompletion", "auto-complete", "amxmodx", "amx mod x", "amxx", "pawn", "build system"],
+			"releases": [
+				{
+					"sublime_text": ">=3114",
+					"tags": true
+				}
+			]
+		},
 		{
 			"name": "Amxx Pawn",
 			"details": "https://github.com/evandrocoan/SublimeAmxxPawn",