reshaped the guidlines and fixed some typos

docs/about.html

@@ -2644,7 +2644,7 @@ <h3>${suggestion.title}</h3>
     color: var(--hover-color, white);
   }</style>
   <!--/radix_placeholder_distill-->
-  <script src="site_libs/header-attrs-2.22/header-attrs.js"></script>
+  <script src="site_libs/header-attrs-2.23/header-attrs.js"></script>
   <script src="site_libs/htmlwidgets-1.6.2/htmlwidgets.js"></script>
   <script src="site_libs/jquery-1.12.4/jquery.min.js"></script>
   <link href="site_libs/leaflet-1.3.1/leaflet.css" rel="stylesheet" />
@@ -2765,8 +2765,8 @@ <h3 id="how-to-contact-us">How to contact us?</h3>
 D-10315 Berlin, Germany</p>
 <p><br></p>
 <div class="layout-chunk" data-layout="l-screen-inset shaded">
-<div class="leaflet html-widget html-fill-item-overflow-hidden html-fill-item" id="htmlwidget-4793de884622c1e7dfc5" style="width:624px;height:384px;"></div>
-<script type="application/json" data-for="htmlwidget-4793de884622c1e7dfc5">{"x":{"options":{"crs":{"crsClass":"L.CRS.EPSG3857","code":null,"proj4def":null,"projectedBounds":null,"options":{}}},"setView":[[52.5062,13.5211],14,[]],"calls":[{"method":"addProviderTiles","args":["CartoDB.Voyager",null,"Default Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addProviderTiles","args":["Stamen.Terrain",null,"Terrain Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addProviderTiles","args":["CartoDB.DarkMatter",null,"Dark Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addTiles","args":["https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",null,"OpenStreetMap",{"minZoom":0,"maxZoom":18,"tileSize":256,"subdomains":"abc","errorTileUrl":"","tms":false,"noWrap":false,"zoomOffset":0,"zoomReverse":false,"opacity":1,"zIndex":1,"detectRetina":false,"attribution":"&copy; <a href=\"https://openstreetmap.org\">OpenStreetMap<\/a> contributors, <a href=\"https://creativecommons.org/licenses/by-sa/2.0/\">CC-BY-SA<\/a>"}]},{"method":"addPopups","args":[52.50628618988399,13.52116715397431,"<b>Leibniz Institute for<br>Zoo and Wildlife Research<\/b>",null,null,{"maxWidth":300,"minWidth":50,"autoPan":true,"keepInView":false,"closeButton":false,"className":""}]},{"method":"addLayersControl","args":[["Default Map","Terrain Map","Dark Map","OpenStreetMap"],[],{"collapsed":false,"autoZIndex":true,"position":"topright"}]}],"limits":{"lat":[52.50628618988399,52.50628618988399],"lng":[13.52116715397431,13.52116715397431]}},"evals":[],"jsHooks":[]}</script>
+<div class="leaflet html-widget html-fill-item-overflow-hidden html-fill-item" id="htmlwidget-2e6c7c64a1f58eb84b28" style="width:624px;height:384px;"></div>
+<script type="application/json" data-for="htmlwidget-2e6c7c64a1f58eb84b28">{"x":{"options":{"crs":{"crsClass":"L.CRS.EPSG3857","code":null,"proj4def":null,"projectedBounds":null,"options":{}}},"setView":[[52.5062,13.5211],14,[]],"calls":[{"method":"addProviderTiles","args":["CartoDB.Voyager",null,"Default Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addProviderTiles","args":["Stamen.Terrain",null,"Terrain Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addProviderTiles","args":["CartoDB.DarkMatter",null,"Dark Map",{"errorTileUrl":"","noWrap":false,"detectRetina":false}]},{"method":"addTiles","args":["https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png",null,"OpenStreetMap",{"minZoom":0,"maxZoom":18,"tileSize":256,"subdomains":"abc","errorTileUrl":"","tms":false,"noWrap":false,"zoomOffset":0,"zoomReverse":false,"opacity":1,"zIndex":1,"detectRetina":false,"attribution":"&copy; <a href=\"https://openstreetmap.org\">OpenStreetMap<\/a> contributors, <a href=\"https://creativecommons.org/licenses/by-sa/2.0/\">CC-BY-SA<\/a>"}]},{"method":"addPopups","args":[52.50628618988399,13.52116715397431,"<b>Leibniz Institute for<br>Zoo and Wildlife Research<\/b>",null,null,{"maxWidth":300,"minWidth":50,"autoPan":true,"keepInView":false,"closeButton":false,"className":""}]},{"method":"addLayersControl","args":[["Default Map","Terrain Map","Dark Map","OpenStreetMap"],[],{"collapsed":false,"autoZIndex":true,"position":"topright"}]}],"limits":{"lat":[52.50628618988399,52.50628618988399],"lng":[13.52116715397431,13.52116715397431]}},"evals":[],"jsHooks":[]}</script>
 </div>
 <p><br><br></p>
 <div class="sourceCode" id="cb1"><pre class="sourceCode r distill-force-highlighting-css"><code class="sourceCode r"></code></pre></div>

docs/coding.html

@@ -2641,7 +2641,7 @@ <h3>${suggestion.title}</h3>
     color: var(--hover-color, white);
   }</style>
   <!--/radix_placeholder_distill-->
-  <script src="site_libs/header-attrs-2.22/header-attrs.js"></script>
+  <script src="site_libs/header-attrs-2.23/header-attrs.js"></script>
   <script src="site_libs/popper-2.6.0/popper.min.js"></script>
   <link href="site_libs/tippy-6.2.7/tippy.css" rel="stylesheet" />
   <link href="site_libs/tippy-6.2.7/tippy-light-border.css" rel="stylesheet" />

docs/doctoral-theses.html

@@ -2644,7 +2644,7 @@ <h3>${suggestion.title}</h3>
     color: var(--hover-color, white);
   }</style>
   <!--/radix_placeholder_distill-->
-  <script src="site_libs/header-attrs-2.22/header-attrs.js"></script>
+  <script src="site_libs/header-attrs-2.23/header-attrs.js"></script>
   <script src="site_libs/popper-2.6.0/popper.min.js"></script>
   <link href="site_libs/tippy-6.2.7/tippy.css" rel="stylesheet" />
   <link href="site_libs/tippy-6.2.7/tippy-light-border.css" rel="stylesheet" />

docs/geodata.html

@@ -2641,7 +2641,7 @@ <h3>${suggestion.title}</h3>
     color: var(--hover-color, white);
   }</style>
   <!--/radix_placeholder_distill-->
-  <script src="site_libs/header-attrs-2.22/header-attrs.js"></script>
+  <script src="site_libs/header-attrs-2.23/header-attrs.js"></script>
   <script src="site_libs/popper-2.6.0/popper.min.js"></script>
   <link href="site_libs/tippy-6.2.7/tippy.css" rel="stylesheet" />
   <link href="site_libs/tippy-6.2.7/tippy-light-border.css" rel="stylesheet" />