New theme (#1390)

* 调整忽略目录

* add theme

* fix theme scss build

Co-authored-by: fen <f3nb0x@gmail.com>

admin/css/install.css

@@ -1,24 +1 @@
-h1 { text-align: center; }
-
-details summary { cursor: pointer; }
-
-@keyframes fadein { from { opacity: 0; }
-  to { opacity: 1; } }
-
-.fresh .keep-word { display: none; }
-
-.keep .fresh-word { display: none; }
-
-form > .message { display: none; padding: 20px; border-radius: 5px; }
-
-.message textarea { width: 100%; height: 200px; resize: none; margin: 10px 0; }
-
-.message.fade { display: block; animation: fadein .5s linear; }
-
-.message *:last-child { margin-bottom: 0; }
-
-.message p { margin-top: 10px; }
-
-.message p button { margin-left: 5px; }
-
-.message p button:first-child { margin-left: 0; }
+h1{text-align:center}details summary{cursor:pointer}@keyframes fadein{from{opacity:0}to{opacity:1}}.fresh .keep-word{display:none}.keep .fresh-word{display:none}form>.message{display:none;padding:20px;border-radius:5px}.message textarea{width:100%;height:200px;resize:none;margin:10px 0}.message.fade{display:block;animation:fadein .5s linear}.message *:last-child{margin-bottom:0}.message p{margin-top:10px}.message p button{margin-left:5px}.message p button:first-child{margin-left:0}