graphviz filter commands: add pages (#6401)

pages/common/acyclic.md

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+# acyclic
+
+> Make a directed graph acyclic by reversing some edges.
+> Graphviz filters: `acyclic`, `bcomps`, `comps`, `edgepaint`, `gvcolor`, `gvpack`, `mingle`, `nop`, `sccmap`, `tred`, & `unflatten`.
+> More information: <https://graphviz.org/pdf/acyclic.1.pdf>.
+
+- Make a directed graph acyclic by reversing some edges:
+
+`acyclic {{path/to/input.gv}} > {{path/to/output.gv}}`
+
+- Print if a graph is acyclic, has a cycle, or is undirected, producing no output graph:
+
+`acyclic -v -n {{path/to/input.gv}}`
+
+- Display help for `acyclic`:
+
+`acyclic -?`