Update eslint and npm audit fixes

Signed-off-by: Julius Härtl <jus@bitgrid.net>

.eslintrc.js

@@ -1,6 +1,6 @@
 module.exports = {
 	extends: [
-		'nextcloud'
+		'@nextcloud'
 	],
 	rules: {
 		'valid-jsdoc': ['off'],

package.json

@@ -22,6 +22,8 @@
 		"build": "NODE_ENV=production webpack --progress --hide-modules --config webpack.prod.js",
 		"lint": "eslint --ext .js,.vue src",
 		"lint:fix": "eslint --ext .js,.vue src --fix",
+		"stylelint": "stylelint **/*.css **/*.scss **/*.vue",
+		"stylelint:fix": "stylelint **/*.css **/*.scss **/*.vue --fix",
 		"test": "jest",
 		"test:coverage": "jest --coverage"
 	},
@@ -40,9 +42,9 @@
 		"@nextcloud/vue": "^1.5.0",
 		"blueimp-md5": "^2.13.0",
 		"dompurify": "^2.0.8",
+		"lodash": "^4.17.15",
 		"markdown-it": "^10.0.0",
 		"markdown-it-task-lists": "^2.1.1",
-		"lodash": "^4.17.15",
 		"moment": "^2.24.0",
 		"nextcloud-vue-collections": "^0.7.2",
 		"p-queue": "^6.3.0",
@@ -68,18 +70,19 @@
 		"@babel/plugin-syntax-dynamic-import": "^7.8.3",
 		"@babel/preset-env": "^7.9.5",
 		"@nextcloud/browserslist-config": "^1.0.0",
+		"@nextcloud/eslint-config": "^2.0.0",
+		"@nextcloud/eslint-plugin": "^1.4.0",
 		"@vue/test-utils": "^1.0.0-beta.33",
+		"acorn": "^7.1.1",
 		"babel-eslint": "^10.1.0",
 		"babel-jest": "^25.4.0",
 		"babel-loader": "^8.1.0",
 		"css-loader": "^3.5.2",
 		"eslint": "^6.8.0",
-		"eslint-config-nextcloud": "^0.1.1",
 		"eslint-config-standard": "^12.0.0",
 		"eslint-friendly-formatter": "^4.0.1",
 		"eslint-loader": "^3.0.4",
 		"eslint-plugin-import": "^2.20.2",
-		"eslint-plugin-nextcloud": "^0.3.0",
 		"eslint-plugin-node": "^11.1.0",
 		"eslint-plugin-promise": "^4.2.1",
 		"eslint-plugin-standard": "^4.0.1",
@@ -87,10 +90,12 @@
 		"file-loader": "^6.0.0",
 		"jest": "^25.4.0",
 		"jest-serializer-vue": "^2.0.2",
+		"minimist": "^1.2.5",
 		"node-sass": "^4.13.1",
 		"raw-loader": "^4.0.1",
 		"sass-loader": "^8.0.2",
-		"stylelint": "^8.4.0",
+		"stylelint": "^13.3.3",
+		"stylelint-config-recommended": "^3.0.0",
 		"stylelint-config-recommended-scss": "^3.3.0",
 		"stylelint-scss": "^3.17.1",
 		"stylelint-webpack-plugin": "^0.10.5",