add books button, add page count on bottom and in settings, add swipe for closing sidebar, fix settings modal, fix few styles

cps/static/css/main.css

@@ -539,7 +539,7 @@ input:-moz-placeholder {
   left: 50%;
   transform: translate(-50%, -50%);
   width: 100vw;
-  height: auto;
+  height: 90dvh;
   max-width: 630px;
   z-index: 2000;
   visibility: hidden;
@@ -580,7 +580,7 @@ input:-moz-placeholder {
 }
 
 .md-content > div {
-  padding: 15px 40px 30px;
+  padding: 10px 20px;
   margin: 0;
   font-weight: 300;
   font-size: 14px;

cps/static/css/reader.css

@@ -47,6 +47,28 @@
 }
 
 #main,
-#viewer {
+#viewer,
+#sidebar,
+#tocView {
   touch-action: pan-y;
 }
+
+.read-footer {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 12px;
+}
+.read-footer #pages-count {
+  font-size: 12px;
+
+  position: absolute;
+  left: 12px;
+  bottom: 2px;
+}
+
+#back-button {
+  width: 50px !important;
+  right: 50px;
+  position: absolute;
+}