[WIP] [Refactor] #40457 Moved cmd-building.c/h and cmd-inn.c/h to cmd-building/

diff --git a/src/cmd/cmd-building.c b/src/cmd-building/cmd-building.c
similarity index 100%
rename from src/cmd/cmd-building.c
rename to src/cmd-building/cmd-building.c

diff --git a/src/cmd/cmd-building.h b/src/cmd-building/cmd-building.h
similarity index 100%
rename from src/cmd/cmd-building.h
rename to src/cmd-building/cmd-building.h

diff --git a/src/cmd/cmd-inn.c b/src/cmd-building/cmd-inn.c
similarity index 100%
rename from src/cmd/cmd-inn.c
rename to src/cmd-building/cmd-inn.c

diff --git a/src/cmd/cmd-inn.h b/src/cmd-building/cmd-inn.h
similarity index 100%
rename from src/cmd/cmd-inn.h
rename to src/cmd-building/cmd-inn.h