[IMP] doc: remove guides section, move themes to tutorials and rest to reference

also pass PNGs through crusher, turns out dot produces pretty terrible PNGs

1 files changed, 10 insertions, 0 deletions

diff --git a/doc/reference/workflow/join.dot b/doc/reference/workflow/join.dot
new file mode 100644
index 00000000000..e413a8a8ebc
--- /dev/null
+++ b/doc/reference/workflow/join.dot
@@ -0,0 +1,10 @@
+digraph join {
+    // dummy sources as support for edges, make invisible and height 0
+    a [style=invis height=0 fontsize=0]
+    b [style=invis height=0 fontsize=0]
+    c [style=invis height=0 fontsize=0]
+
+    a -> Activity
+    b -> Activity
+    c -> Activity
+}