chore: init theme (#14508)

* chore: init theme

* chore: update faas config

examples/components/theme-configurator/editor/input.vue

@@ -0,0 +1,45 @@
+<template>
+  <el-input 
+    @keyup.enter.native="onUpdate"
+    v-model="value"
+    @blur="onUpdate"
+    v-bind="$attrs"
+  >
+    <template slot="suffix">
+      <slot name="suffix"></slot>
+    </template>
+  </el-input>
+</template>
+
+<script>
+
+export default {
+  props: ['val', 'onChange'],
+  data() {
+    return {
+      value: '',
+      oldValue: ''
+    };
+  },
+  methods: {
+    onUpdate(e) {
+      const { value } = e.target;
+      if (value !== this.oldValue) {
+        this.oldValue = value;
+        this.$emit('change', value);
+      }
+    }
+  },
+  watch: {
+    val: {
+      immediate: true,
+      handler(value) {
+        this.value = value;
+        if (!this.oldValue) {
+          this.oldValue = value;
+        }
+      }
+    }
+  }
+};
+</script>