refactor: Rename `tomogram` to `tomograph`

Tomogram.lean

@@ -1,3 +0,0 @@
-
-def main : IO Unit := do
-  IO.println "tomogram stub"

Tomograph.lean

@@ -0,0 +1,5 @@
+
+
+def main (args : List String) : IO Unit := do
+  let command :: args := args | IO.eprintln "Must supply a command"
+  IO.println s!"{command}"

lakefile.lean

@@ -19,8 +19,8 @@ lean_exe repl {
 }
 
 @[default_target]
-lean_exe tomogram {
+lean_exe tomograph {
-  root := `Tomogram
+  root := `Tomograph
   -- Solves the native symbol not found problem
   supportInterpreter := true
 }