style: fix indent in non-ts files

now all files use same indent character (tab)

.eslintrc

@@ -2,9 +2,7 @@
 	"root": true,
 	"parser": "@typescript-eslint/parser",
 	"env": { "node": true },
-    "plugins": [
-      "@typescript-eslint"
-    ],
+	"plugins": ["@typescript-eslint"],
 	"extends": [
 		"eslint:recommended",
 		"plugin:@typescript-eslint/eslint-recommended",
@@ -20,4 +18,4 @@
 		"no-prototype-builtins": "off",
 		"@typescript-eslint/no-empty-function": "off"
 	}
-  }
+}

tsconfig.json

@@ -10,14 +10,7 @@
 		"moduleResolution": "node",
 		"importHelpers": true,
 		"isolatedModules": true,
-    "lib": [
-      "DOM",
-      "ES5",
-      "ES6",
-      "ES7"
-    ]
+		"lib": ["DOM", "ES5", "ES6", "ES7"]
 	},
-  "include": [
-    "**/*.ts"
-  ]
+	"include": ["**/*.ts"]
 }

version-bump.mjs

@@ -13,12 +13,12 @@ const targetVersion = process.env.npm_package_version;
 	let menifest = JSON.parse((await readFile("manifest.json")).toString());
 	const { minAppVersion } = menifest;
 	menifest.version = targetVersion;
-	await writeFile("manifest.json", JSON.stringify(menifest, null, 2));
+	await writeFile("manifest.json", JSON.stringify(menifest, null, "\t"));
 
 	// update versions.json with target version and minAppVersion from manifest.json
 	let versions = JSON.parse((await readFile("versions.json")).toString());
 	versions[targetVersion] = minAppVersion;
-	await writeFile("versions.json", JSON.stringify(versions, null, 2));
+	await writeFile("versions.json", JSON.stringify(versions, null, "\t"));
 
 	// save changes in git
 	await exec("git add manifest.json versions.json");