ux(docs): enable eslint rule indent

.eslintrc.cjs

@@ -25,7 +25,6 @@ module.exports = {
         'quote-props': 'off',
         'space-before-blocks': 'off',
         'space-before-function-paren': 'off',
-        indent: 'off',
         quotes: 'off',
         semi: 'off',
       },

README.md

@@ -466,7 +466,7 @@ animating will the element be removed from the DOM.
 ```mjs
 h('span', {
   style: { opacity: '1', transition: 'opacity 1s',
-          remove: { opacity: '0' } }
+    remove: { opacity: '0' } }
 }, 'It\'s better to fade out than to burn away');
 ```
 
@@ -477,7 +477,7 @@ This makes it easy to declaratively animate the removal of elements.
 ```mjs
 h('span', {
   style: { opacity: '1', transition: 'opacity 1s',
-          destroy: { opacity: '0' } }
+    destroy: { opacity: '0' } }
 }, 'It\'s better to fade out than to burn away');
 ```
 
@@ -553,11 +553,11 @@ var sharedHandler = {
 };
 h('div', [
   h('input', { props: { type: 'radio', name: 'test', value: '0' },
-              on: sharedHandler }),
+    on: sharedHandler }),
   h('input', { props: { type: 'radio', name: 'test', value: '1' },
-              on: sharedHandler }),
+    on: sharedHandler }),
   h('input', { props: { type: 'radio', name: 'test', value: '2' },
-              on: sharedHandler })
+    on: sharedHandler })
 ]);
 ```
 
@@ -571,11 +571,11 @@ var sharedHandler = function(e){
 };
 h('div', [
   h('input', { props: { type: 'radio', name: 'test', value: '0' },
-              on: { change: sharedHandler } }),
+    on: { change: sharedHandler } }),
   h('input', { props: { type: 'radio', name: 'test', value: '1' },
-              on: { change: sharedHandler } }),
+    on: { change: sharedHandler } }),
   h('input', { props: { type: 'radio', name: 'test', value: '2' },
-              on: { change: sharedHandler } })
+    on: { change: sharedHandler } })
 ]);
 ```