Revert "converted to pure-rST"

This reverts commit 0e3d5634f0736fe079bc2c4917a403b7307bac1c.
Revert "added "devenv""

This reverts commit 9d47f2e8349eafc34c415f6b5dbdd93f8395f4e5.
Revert "text alignment reformatting"

This reverts commit 6472836bb64725747aaac15ce053bb57e1c2c51d.