Add LICENSE and icon

LICENSE.txt

@@ -0,0 +1,19 @@
+MIT Copyright 2020 GreenXenith
+
+Permission is hereby granted, free of charge, to any person obtaining a 
+copy of this software and associated documentation files (the "Software"), 
+to deal in the Software without restriction, including without limitation 
+the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the 
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included 
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+DEALINGS IN THE SOFTWARE.

package.json

@@ -2,7 +2,19 @@
 	"name": "minetest-tools",
 	"displayName": "Minetest Tools",
 	"description": "",
+	"icon": "icon.png",
 	"version": "1.0.0",
+	"author": {
+		"name": "GreenXenith"
+	},
+	"license": "MIT",
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/GreenXenith/minetest-tools.git"
+	},
+	"bugs": {
+		"url": "https://github.com/GreenXenith/minetest-tools/issues"
+	},
 	"engines": {
 		"vscode": "^1.41.0"
 	},