docs: always re-generate favicons et al

Makefile

@@ -45,25 +45,26 @@ build:
 .PHONY: build
 
 # Generate the static documentation
-static:
+static: depgraph favicon
 	@hugo --enableGitInfo --source www
 .PHONY: static
 
+# Generate the dependencies graph
+depgraph:
+	GO111MODULE=off go get github.com/kisielk/godepgraph
+	godepgraph -horizontal -s -o github.com/goreleaser/goreleaser . | dot -Tsvg -o www/static/deps.svg
+.PHONY: depgraph
+
 favicon:
 	wget -O www/static/avatar.png https://avatars2.githubusercontent.com/u/24697112
 	convert www/static/avatar.png -define icon:auto-resize=64,48,32,16 www/static/favicon.ico
 	convert www/static/avatar.png -resize x120 www/static/apple-touch-icon.png
 .PHONY: favicon
 
-serve:
-	@hugo server --enableGitInfo --watch --source www --disableFastRender
+serve: depgraph favicon
+	@hugo server --enableGitInfo --watch --source www
 .PHONY: serve
 
-depgraph:
-	go get github.com/kisielk/godepgraph
-	godepgraph -horizontal -s -o github.com/goreleaser/goreleaser . | dot -Tsvg -o www/static/deps.svg
-.PHONY: depgraph
-
 # Show to-do items per file.
 todo:
 	@grep \

www/static/.gitignore

@@ -0,0 +1,4 @@
+deps.svg
+avatar.png
+apple-touch-icon.png
+favicon.ico