feat(vue): Rule "html-self-closing"

Signed-off-by: Valentin Popov <info@valentineus.link>

ROADMAP.md

@@ -541,7 +541,7 @@
 - [ ] "html-end-tags"
 - [X] "html-indent"
 - [X] "html-quotes"
-- [ ] "html-self-closing"
+- [X] "html-self-closing"
 - [ ] "jsx-uses-vars"
 - [ ] "key-spacing"
 - [ ] "keyword-spacing"

src/rules/vue/default.json

@@ -46,6 +46,18 @@
     "error",
     "double"
   ],
+  "vue/html-self-closing": [
+    "error",
+    {
+      "html": {
+        "component": "always",
+        "normal": "always",
+        "void": "always"
+      },
+      "math": "always",
+      "svg": "always"
+    }
+  ],
   "vue/script-indent": [
     "error",
     "tab",