158: created a fisrt sketch for receptionist scenario tree

src/lhw_intelligence/lhw_intelligence/trees/scenario_sketches/receptionist.tree

+->;;Root
+|    (Is Head Touched)
+|    [Say - open door promt]
+|    ->;;Loop
+|    |    ->;;Greet Person
+|    |    |    [Find person subtree]
+|    |    |    [Greet and ask some questions subtree]
+|    |    [Say - follow me]
+|    |    [MoveTo - location sofa]
+|    |    ->;;Introduce all
+|    |    |    ->;;Introduce person until all persons are introduced
+|    |    |    |    [Find person subtree]
+|    |    |    |    [Introduce person subtree]
+|    |    |    (Is all introduced)
+|    |    ->;;Ask person to sit until them is seated
+|    |    |    [Find empty spot]
+|    |    |    [Ask person to sit]
+|    |    |    (Is person seated)
+|    |    [MoveTo - location door]
\ No newline at end of file