修复一些图片模式页面错误，添加图片页面服务器自定义配置，修改配置文件加载方法 (#172)

resources/content/static/css/font-awesome.min.css

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+.fa{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}@keyframes fa-spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@font-face{font-family:"Font Awesome 5 Brands";font-style:normal;font-weight:normal;font-display:auto;src:url(../fonts/fa-brands-400.eot);src:url(../fonts/fa-brands-400.eot) format("embedded-opentype"),url(../fonts/fa-brands-400.woff2) format("woff2"),url(../fonts/fa-brands-400.woff) format("woff"),url(../fonts/fa-brands-400.ttf) format("truetype"),url(../fonts/fa-brands-400.svg#fontawesome) format("svg")}@font-face{font-family:"Font Awesome 5 Pro";font-style:normal;font-weight:300;font-display:auto;src:url(../fonts/fa-light-300.eot);src:url(../fonts/fa-light-300.eot) format("embedded-opentype"),url(../fonts/fa-light-300.woff2) format("woff2"),url(../fonts/fa-light-300.woff) format("woff"),url(../fonts/fa-light-300.ttf) format("truetype"),url(../fonts/fa-light-300.svg#fontawesome) format("svg")}@font-face{font-family:"Font Awesome 5 Pro";font-style:normal;font-weight:400;font-display:auto;src:url(../fonts/fa-regular-400.eot);src:url(../fonts/fa-regular-400.eot) format("embedded-opentype"),url(../fonts/fa-regular-400.woff2) format("woff2"),url(../fonts/fa-regular-400.woff) format("woff"),url(../fonts/fa-regular-400.ttf) format("truetype"),url(../fonts/fa-regular-400.svg#fontawesome) format("svg")}@font-face{font-family:"Font Awesome 5 Pro";font-style:normal;font-weight:900;font-display:auto;src:url(../fonts/fa-solid-900.eot);src:url(../fonts/fa-solid-900.eot) format("embedded-opentype"),url(../fonts/fa-solid-900.woff2) format("woff2"),url(../fonts/fa-solid-900.woff) format("woff"),url(../fonts/fa-solid-900.ttf) format("truetype"),url(../fonts/fa-solid-900.svg#fontawesome) format("svg")}.fa{font-family:"Font Awesome 5 Pro";font-weight:900}

resources/content/static/css/hljs.css

@@ -0,0 +1,108 @@
+/*!
+  Theme: Default
+  Description: Original highlight.js style
+  Author: (c) Ivan Sagalaev <maniac@softwaremaniacs.org>
+  Maintainer: @highlightjs/core-team
+  Website: https://highlightjs.org/
+  License: see project LICENSE
+  Touched: 2021
+*/
+pre {
+  white-space: pre-wrap; /* 允许换行 */
+  word-wrap: break-word; /* 允许在单词内换行 */
+  max-width: 100%; /* 最大宽度为父容器的宽度 */
+  overflow: auto; /* 添加滚动条 */
+}
+
+pre code.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 1em
+}
+
+code.hljs {
+  padding: 3px 5px
+}
+
+.hljs {
+  background: #f3f3f3;
+  color: #444
+}
+
+.hljs-comment {
+  color: #697070
+}
+
+.hljs-punctuation,
+.hljs-tag {
+  color: #444a
+}
+
+.hljs-tag .hljs-attr,
+.hljs-tag .hljs-name {
+  color: #444
+}
+
+.hljs-attribute,
+.hljs-doctag,
+.hljs-keyword,
+.hljs-meta .hljs-keyword,
+.hljs-name,
+.hljs-selector-tag {
+  font-weight: 700
+}
+
+.hljs-deletion,
+.hljs-number,
+.hljs-quote,
+.hljs-selector-class,
+.hljs-selector-id,
+.hljs-string,
+.hljs-template-tag,
+.hljs-type {
+  color: #800
+}
+
+.hljs-section,
+.hljs-title {
+  color: #800;
+  font-weight: 700
+}
+
+.hljs-link,
+.hljs-operator,
+.hljs-regexp,
+.hljs-selector-attr,
+.hljs-selector-pseudo,
+.hljs-symbol,
+.hljs-template-variable,
+.hljs-variable {
+  color: #ab5656
+}
+
+.hljs-literal {
+  color: #695
+}
+
+.hljs-addition,
+.hljs-built_in,
+.hljs-bullet,
+.hljs-code {
+  color: #397300
+}
+
+.hljs-meta {
+  color: #1f7199
+}
+
+.hljs-meta .hljs-string {
+  color: #38a
+}
+
+.hljs-emphasis {
+  font-style: italic
+}
+
+.hljs-strong {
+  font-weight: 700
+}