Update package.json and remove unused files

package.json

@@ -1,33 +1,41 @@
 {
-	"name": "BetterTeamSpeakTheme",
-	"description": "Better TeamSpeak5 Theme",
-	"version": "1.0.0",
-	"identifier": "de.dertyp7.ts",
-	"engines": {
-		"teamspeak": 1
-	},
-	"homepage": "https://community.teamspeak.com",
-	"docsUrl": "https://community.teamspeak.com",
-	"repository": "https://github.com/DerTyp7/better-teamspeak-theme",
-	"image": "logo.png",
-	"license": "MIT",
-	"author": {
-		"name": "dertyp7",
-		"email": "dertyp7@tealfire.de",
-		"url": "https://tealfire.de",
-		"userTag": "dertyp7@myteamspeak.com"
-	},
-	"community": {
-		"server": "tealfire.de"
-	},
-	"content": {
-		"themes": [
-			{
-				"name": "BetterTeamSpeakTheme",
-				"source": "BetterTeamSpeakTheme.css",
-				"apiVersion": 1,
-				"image": "logo.png"
-			}
-		]
-	}
+  "name": "betterteamspeaktheme",
+  "description": "Better TeamSpeak5 Theme",
+  "version": "1.0.0",
+  "identifier": "de.dertyp.betterteamspeaktheme",
+  "engines": {
+    "teamspeak": 1
+  },
+  "homepage": "https://community.teamspeak.com",
+  "docsUrl": "https://community.teamspeak.com",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/DerTyp7/better-teamspeak-theme.git"
+  },
+  "image": "logo.png",
+  "license": "MIT",
+  "author": "dertyp7 <dertyp7@tealfire.de> (https://tealfire.de)",
+  "community": {
+    "server": "tealfire.de"
+  },
+  "content": {
+    "themes": [
+      {
+        "name": "BetterTeamSpeakTheme",
+        "source": "BetterTeamSpeakTheme.css",
+        "apiVersion": 1,
+        "image": "logo.png"
+      }
+    ]
+  },
+  "bugs": {
+    "url": "https://github.com/DerTyp7/better-teamspeak-theme/issues"
+  },
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "devDependencies": {
+    "node-sass": "^9.0.0"
+  }
 }