Update sphinx, remove custom theme and adjust rtd-theme

Author: infeo

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "sphinx_theme"]
-	path = source/_themes/cryptomator_theme
-	url = https://github.com/cryptomator/sphinx_rtd_theme.git

requirements.txt

@@ -1,2 +1,2 @@
-sphinx==3.5.4
-sphinx_rtd_theme==0.5.2
+sphinx==6.1.3
+sphinx_rtd_theme==1.1.1

source/_static/css/overrides.css

@@ -0,0 +1,38 @@
+/** css/overrides.css
+    This is bound to the sphinx-rtd-theme version defined in requirements.txt
+
+    For documentation about the rtd-theme, see https://docs.readthedocs.io/en/stable/guides/adding-custom-css.html
+**/
+
+/* This line is theme specific - it includes the base theme CSS */
+@import 'theme.css';       /* for the Read the Docs theme */
+
+.wy-menu-vertical header, .wy-menu-vertical p.caption {
+    color: #49B04A;
+    line-height: 32px;
+    font-weight: 700;
+    text-transform: uppercase;
+    font-size: 85%;
+    white-space: nowrap;
+}
+a:hover {
+    color: #66CC68;
+}
+a {
+    color: #49b04a;
+    cursor: pointer;
+}
+.wy-side-nav-search input[type="text"] {
+width: 100%;
+border-radius: 50px;
+padding: 6px 12px;
+border-color: #407F41;
+}
+
+.rst-content .note .admonition-title, .rst-content .note .wy-alert-title, .rst-content .seealso .admonition-title, .rst-content .seealso .wy-alert-title, .rst-content .wy-alert-info.admonition-todo .admonition-title, .rst-content .wy-alert-info.admonition-todo .wy-alert-title, .rst-content .wy-alert-info.admonition .admonition-title, .rst-content .wy-alert-info.admonition .wy-alert-title, .rst-content .wy-alert-info.attention .admonition-title, .rst-content .wy-alert-info.attention .wy-alert-title, .rst-content .wy-alert-info.caution .admonition-title, .rst-content .wy-alert-info.caution .wy-alert-title, .rst-content .wy-alert-info.danger .admonition-title, .rst-content .wy-alert-info.danger .wy-alert-title, .rst-content .wy-alert-info.error .admonition-title, .rst-content .wy-alert-info.error .wy-alert-title, .rst-content .wy-alert-info.hint .admonition-title, .rst-content .wy-alert-info.hint .wy-alert-title, .rst-content .wy-alert-info.important .admonition-title, .rst-content .wy-alert-info.important .wy-alert-title, .rst-content .wy-alert-info.tip .admonition-title, .rst-content .wy-alert-info.tip .wy-alert-title, .rst-content .wy-alert-info.warning .admonition-title, .rst-content .wy-alert-info.warning .wy-alert-title, .rst-content .wy-alert.wy-alert-info .admonition-title, .wy-alert.wy-alert-info .rst-content .admonition-title, .wy-alert.wy-alert-info .wy-alert-title {
+    background: #66CC68;
+}
+
+.rst-content .note, .rst-content .seealso, .rst-content .wy-alert-info.admonition, .rst-content .wy-alert-info.admonition-todo, .rst-content .wy-alert-info.attention, .rst-content .wy-alert-info.caution, .rst-content .wy-alert-info.danger, .rst-content .wy-alert-info.error, .rst-content .wy-alert-info.hint, .rst-content .wy-alert-info.important, .rst-content .wy-alert-info.tip, .rst-content .wy-alert-info.warning, .wy-alert.wy-alert-info {
+background: #EBF5EB;
+}

source/_themes/cryptomator_theme

@@ -24,9 +24,9 @@
 author = 'Cryptomator Contributors'
 
 # The short X.Y version
-version = '1.6'
+version = '1.7'
 # The full version, including alpha/beta/rc tags
-release = '1.6.0'
+release = '1.7.0'
 
 
 # -- General configuration ---------------------------------------------------
@@ -60,12 +60,12 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ['_themes/*']
+#exclude_patterns = ['_themes/*']
 
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = None
@@ -77,7 +77,7 @@
 # a list of builtin themes.
 #
 html_theme = 'sphinx_rtd_theme'
-html_theme_path = ['_themes/cryptomator_theme', ]
+#html_theme_path = ['_themes/cryptomator_theme', ]
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -91,17 +91,22 @@
     'includehidden': True,
     'titles_only': False,
     'logo_only' : True,
+    'style_nav_header_background': '#49B04A',
+    'display_version': True,
+    'prev_next_buttons_location': 'bottom',
+    'style_external_links': True,
+    'vcs_pageview_mode': '',
 }
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 #
-#html_static_path = ['_static']
-#html_css_files = [
-#    'css/custom.css',
-#]
-#html_style = 'css/custom.css'
+html_static_path = ['_static']
+html_css_files = [
+    'css/custom.css',
+]
+html_style = 'css/overrides.css'
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.
@@ -197,4 +202,4 @@
 # -- Options for todo extension ----------------------------------------------
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
-todo_include_todos = True
+todo_include_todos = True