fix(docs): fixed sphinx autoapi issue in docs build

fix(docs): upgraded sphinx book theme (and dependencies in general)

still some display issues though...

Signed-off-by: Markus Braun <markus.braun@em.ag>

conf.py

@@ -74,7 +74,7 @@
 github_repository = "any"
 # -- Sphinx extensions -------------------------------------------------------
 extensions = [
-    "sphinxcontrib.needs",
+    "sphinx_needs",
     "sphinxcontrib.plantuml",
     "sphinx.ext.mathjax",
     "sphinx.ext.ifconfig",

docs/_static/sphinx-book-theme-custom.css

@@ -9,21 +9,51 @@
 =====================================================================================
 */
 
-@media (min-width: 1200px) {
-
-    .container,
-    .container-lg,
-    .container-md,
-    .container-sm,
-    .container-xl {
+/* make sphinx book scale over the complete width:*/
+@media(min-width: 960px) {
+    .bd-page-width {
         max-width: 100% !important;
+        width: 100%
     }
 }
 
+@media (min-width: 992px) {
+    .bd-sidebar-primary {
+        flex-basis: 20%;
+        max-width: 25em;
+    }
+}
+
+body div.bd-container {
+    justify-content: left;
+}
+
+div.bd-article-container {
+    max-width: 100% !important;
+}
+
+.bd-main .bd-content .bd-article-container {
+    max-width: 100%;
+    /* default is 60em */
+}
+
+.bd-page-width {
+    max-width: 100%;
+    /* default is 88rem */
+}
+
+/* color fixes to have sidebar in white smoke */
+
+.bd-sidebar {
+    background: whitesmoke;
+}
+
 body {
     background-color: white;
 }
 
+/* other styling stuff */
+
 .copyright {
     font-size: small;
     font-weight: 300;
@@ -49,11 +79,6 @@ p.rubric {
     border-bottom: none !important;
 }
 
-/* navigation bar color override */
-.bd-sidebar#site-navigation {
-    background: whitesmoke;
-}
-
 #search-input {
     border-radius: .3em
 }