Revert "bump Documenter to 1.0"

This reverts commit a68aa5b.

Author: hexaeder

docs/Project.toml

@@ -5,6 +5,3 @@ GraphMakie = "1ecd5474-83a3-4783-bb4f-06765db800d2"
 Graphs = "86223c79-3864-5bf0-83f7-82e725a168b6"
 NetworkLayout = "46757867-2c16-5918-afeb-47bfcb05e46a"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-
-[compat]
-Documenter = "1"

docs/make.jl

@@ -13,8 +13,18 @@ makedocs(; modules=[NetworkLayout],
                                 canonical="https://juliagraphs.org/NetworkLayout.jl", assets=String[]),
          pages=["Home" => "index.md",
                 "Interface" => "interface.md"],
-         warnonly=[:missing_docs],
-         )
+         strict=[:autodocs_block,
+                 :cross_references,
+                 :docs_block,
+                 :doctest,
+                 :eval_block,
+                 :example_block,
+                 :footnote,
+                 :linkcheck,
+                 :meta_block,
+                 #:missing_docs,
+                 :parse_error,
+                 :setup_block])
 
 # if gh_pages branch gets to big, check out
 # https://juliadocs.github.io/Documenter.jl/stable/man/hosting/#gh-pages-Branch