fix: no-autofix support supported plugins (fixes #77)

it fixes the rulename, so `@foo/eslint-plugin/rule-name` can be
written `@foo/rule-name`

Author: aladdin-add

packages/no-autofix/lib/rules.js

@@ -72,7 +72,7 @@ allModules.filter(it => it.startsWith("@")).forEach(it => {
 
 plugins.forEach(it => {
     const plugin = require(it);
-    const pluginName = it.replace(/^eslint-plugin-/u, "");
+    const pluginName = it.replace(/^eslint-plugin(-?)/u, "").replace(/\/\//, "");
 
     Object.keys(plugin.rules || {}).forEach(rule => {
         allRules[`${pluginName}/${rule}`] = getNonFixableRule(plugin.rules[rule]);