Cleanup structure and duplicate outdated docs

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

conf.py

@@ -2,6 +2,8 @@
 
 import os, sys, datetime
 
+import sphinx_rtd_theme
+
 dir_path = os.path.dirname(os.path.realpath(__file__))
 sys.path.insert(0, os.path.abspath(dir_path + '/_ext'))
 now = datetime.datetime.now()
@@ -16,16 +18,42 @@ copyright = str(now.year) + ' Nextcloud GmbH'
 # built documents.
 #
 # The short X.Y version.
-version = '14'
+version = 'latest'
 # The full version, including alpha/beta/rc tags.
-release = '14'
+release = version
+
+# RTD theme options
+html_theme_options = {
+    'logo_only': True,
+    'style_external_links': True,
+    'display_version': False,
+}
+
+# relative path to subdirectories
+html_logo = "../_shared_assets/static/logo-white.png"
 
 # substitutions go here
 rst_epilog =  '.. |version| replace:: %s' % version
 
+# building the versions list
+def generateVersionsDocs(current_docs):
+	version_start = 12
+	version_stable = 16 # INCREASE THIS NUMBER TO THE LATEST STABLE INT
+	versions_doc = []
+	for v in range(version_start, version_stable):
+		url = 'https://docs.nextcloud.com/server/%s/%s' % (str(v), current_docs)
+		versions_doc.append(tuple((v, url)))
+	versions_doc.append(tuple((version, 'https://docs.nextcloud.com/server/%s/%s' % (version, current_docs))))
+	return versions_doc
+
 html_context = {
-	'doc_versions': ['11', '12', '13', '14'],
-	'current_doc': os.path.basename(os.getcwd()),
+	'current_version': version,
+	'READTHEDOCS': True,
+	'downloads': [
+		('User Manual', 'https://docs.nextcloud.com/server/%s/Nextcloud_User_Manual.pdf' % version),
+		('Administration Manual', 'https://docs.nextcloud.com/server/%s/Nextcloud_Server_Administration_Manual.pdf' % version)
+	],
+	'extra_css_files': ['_static/custom.css']
 }
 
 edit_on_github_project = 'nextcloud/documentation'