feat(packages): add graphviz, websocat, netcat

ansible/arch_packages.yaml

@@ -116,6 +116,7 @@ common:
       - pandoc  # general purpose document converter
       - typst # an alternative to latex
       - aur/marp-cli-bin # create presentation from markdown
+      - graphviz
     latex:
       - texlive-basic
       - texlive-latex
@@ -131,6 +132,7 @@ common:
       http:
         - jwt-cli
         - curl
+        - websocat
         - wget
         - miniserve
         - mitmproxy
@@ -145,6 +147,7 @@ common:
         - aur/python-dnsrecon
       _:
         - nmap
+        - gnu-netcat
         - wireguard-tools
         - tcpdump
         - socat # TCP proxy or relay