first try at making part2 book, seems to work, but references section…

… is duplicated #23

Part2/.gitignore

@@ -1,2 +1,3 @@
 docs/
 *.Rproj
+_bookdown_files

book2/libs/accessible-code-block-0.0.1/empty-anchor.js

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+// Hide empty <a> tag within highlighted CodeBlock for screen reader accessibility (see https://github.com/jgm/pandoc/issues/6352#issuecomment-626106786) -->
+// v0.0.1
+// Written by JooYoung Seo (jooyoung@psu.edu) and Atsushi Yasumoto on June 1st, 2020.
+
+document.addEventListener('DOMContentLoaded', function() {
+  const codeList = document.getElementsByClassName("sourceCode");
+  for (var i = 0; i < codeList.length; i++) {
+    var linkList = codeList[i].getElementsByTagName('a');
+    for (var j = 0; j < linkList.length; j++) {
+      if (linkList[j].innerHTML === "") {
+        linkList[j].setAttribute('aria-hidden', 'true');
+      }
+    }
+  }
+});

book2/libs/gitbook-2.6.7/css/plugin-bookdown.css

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+.book .book-header h1 {
+  padding-left: 20px;
+  padding-right: 20px;
+}
+.book .book-header.fixed {
+  position: fixed;
+  right: 0;
+  top: 0;
+  left: 0;
+  border-bottom: 1px solid rgba(0,0,0,.07);
+}
+span.search-highlight {
+  background-color: #ffff88;
+}
+@media (min-width: 600px) {
+  .book.with-summary .book-header.fixed {
+    left: 300px;
+  }
+}
+@media (max-width: 1240px) {
+  .book .book-body.fixed {
+    top: 50px;
+  }
+  .book .book-body.fixed .body-inner {
+    top: auto;
+  }
+}
+@media (max-width: 600px) {
+  .book.with-summary .book-header.fixed {
+    left: calc(100% - 60px);
+    min-width: 300px;
+  }
+  .book.with-summary .book-body {
+    transform: none;
+    left: calc(100% - 60px);
+    min-width: 300px;
+  }
+  .book .book-body.fixed {
+    top: 0;
+  }
+}
+
+.book .book-body.fixed .body-inner {
+  top: 50px;
+}
+.book .book-body .page-wrapper .page-inner section.normal sub, .book .book-body .page-wrapper .page-inner section.normal sup {
+  font-size: 85%;
+}
+
+@media print {
+  .book .book-summary, .book .book-body .book-header, .fa {
+    display: none !important;
+  }
+  .book .book-body.fixed {
+    left: 0px;
+  }
+  .book .book-body,.book .book-body .body-inner, .book.with-summary {
+    overflow: visible !important;
+  }
+}
+.kable_wrapper {
+  border-spacing: 20px 0;
+  border-collapse: separate;
+  border: none;
+  margin: auto;
+}
+.kable_wrapper > tbody > tr > td {
+  vertical-align: top;
+}
+.book .book-body .page-wrapper .page-inner section.normal table tr.header {
+  border-top-width: 2px;
+}
+.book .book-body .page-wrapper .page-inner section.normal table tr:last-child td {
+  border-bottom-width: 2px;
+}
+.book .book-body .page-wrapper .page-inner section.normal table td, .book .book-body .page-wrapper .page-inner section.normal table th {
+  border-left: none;
+  border-right: none;
+}
+.book .book-body .page-wrapper .page-inner section.normal table.kable_wrapper > tbody > tr, .book .book-body .page-wrapper .page-inner section.normal table.kable_wrapper > tbody > tr > td {
+  border-top: none;
+}
+.book .book-body .page-wrapper .page-inner section.normal table.kable_wrapper > tbody > tr:last-child > td {
+    border-bottom: none;
+}
+
+div.theorem, div.lemma, div.corollary, div.proposition, div.conjecture {
+  font-style: italic;
+}
+span.theorem, span.lemma, span.corollary, span.proposition, span.conjecture {
+  font-style: normal;
+}
+div.proof>*:last-child:after {
+  content: "\25a2";
+  float: right;
+}
+.header-section-number {
+  padding-right: .5em;
+}

book2/libs/gitbook-2.6.7/css/plugin-clipboard.css

@@ -0,0 +1,18 @@
+div.sourceCode {
+  position: relative;
+}
+
+.copy-to-clipboard-button {
+  position: absolute;
+  right: 0;
+  top: 0;
+  visibility: hidden;
+}
+
+.copy-to-clipboard-button:focus {
+  outline: 0;
+}
+
+div.sourceCode:hover > .copy-to-clipboard-button {
+  visibility: visible;
+}