wrap up series module and added docs

config/_default/config.toml

@@ -2,6 +2,7 @@
 # Refer to the theme docs for more details about each of these parameters.
 # https://nunocoracao.github.io/blowfish/docs/getting-started/
 
+# theme = "blowfish"
 # baseURL = "https://your_domain.com/"
 defaultContentLanguage = "en"
 

config/_default/params.toml

@@ -42,6 +42,7 @@ enableCodeCopy = true
   showEdit = true
   # editURL = "https://github.com/username/repo/"
   editAppendPath = true
+  seriesOpened = false
   showHeadingAnchors = true
   showPagination = true
   invertPagination = false