增加font-awesome

src/components/fa/index.js

@@ -0,0 +1,7 @@
+import './index.scss'
+Component({
+	properties: {
+		icon: null,
+		type: String
+	},
+});

src/components/fa/index.json

@@ -0,0 +1,3 @@
+{
+  "component": true
+}

src/components/fa/index.scss

@@ -0,0 +1,12 @@
+@import "../font-awesome/index.wxss";
+.text-primary		{ color: #007bff !important; }
+.text-secondary { color: #6c757d !important; }
+.text-success		{ color: #28a745 !important; }
+.text-danger 		{ color: #dc3545 !important; }
+.text-warning 	{ color: #ffc107 !important; }
+.text-info 			{ color: #17a2b8 !important; }
+.text-light 		{ color: #f8f9fa !important; }
+.text-dark 			{ color: #343a40 !important; }
+.text-muted 		{ color: rgb(138,147,155) !important; }
+.text-white 		{ color: #fff !important; }
+.text-grey      { color: #ddd !important; }

src/components/fa/index.wxml

@@ -0,0 +1,3 @@
+<i class="{{icon}}">
+  <slot></slot>
+</i>