Start safe redis commandline application

src/safe-redis-cli/Tupfile

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+.gitignore
+include_rules
+
+: deps-commandeer |> yes | nimble install commandeer > ./nimble-commandeer.log |> nimble-commandeer.log
+: saferediscli.nim | nimble-commandeer.log |> !nim |> ../../bin/safe-redis-cli

src/safe-redis-cli/saferediscli.nim

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+import commandeer, rawsockets
+
+commandline:
+  option hostname, string, "hostname", "h"
+  option optPort, int, "port", "p"
+  option admin, bool, "admin", ""
+  exitoption "help", "h",
+    "Usage: redis-cli [--help|--hostname=<string>|--port=<int>|--admin]"
+  errormsg "Invalid options: please read help."
+
+