chore(log): add scaffold

demo/documentation/components/log/enUS/index.md

@@ -0,0 +1,4 @@
+# Log
+```demo
+basic
+```

packages/common/Log/index.js

@@ -0,0 +1,8 @@
+/* istanbul ignore file */
+import NLog from './src/main.vue'
+
+NLog.install = function (Vue) {
+  Vue.component(NLog.name, NLog)
+}
+
+export default NLog

packages/common/Log/src/main.vue

@@ -0,0 +1,13 @@
+<template>
+  <div>log</div>
+</template>
+
+<script>
+
+export default {
+  name: 'NLog',
+  props: {
+
+  }
+}
+</script>

packages/common/Timeline/src/main.vue

@@ -2,7 +2,9 @@
   <div
     class="n-timeline"
     :class="{
-      [`n-${synthesizedTheme}-theme`]: synthesizedTheme
+      [`n-${synthesizedTheme}-theme`]: synthesizedTheme,
+      [`n-timeline--${size}-size`]: true,
+      [`n-timeline--${itemPlacement}-placement`]: true
     }"
   >
     <slot />
@@ -16,6 +18,20 @@ import themeable from '../../../mixins/themeable'
 export default {
   name: 'NTimeline',
   mixins: [withapp, themeable],
+  props: {
+    itemPlacement: {
+      validator (value) {
+        return ['left', 'right'].includes(value)
+      },
+      default: 'right'
+    },
+    size: {
+      validator (value) {
+        return ['medium', 'large'].includes(value)
+      },
+      default: 'medium'
+    }
+  },
   provide () {
     return {
       NTimeline: this