trimming whitespace
both when posting new item and when displaying items.
prevents posts from messing up the display of other
posts with extraneous whitespace.
left out install step for cargo-tarpaulin causing build failure
removed extraneous newline on post display
leave db intact on uninstall
updated deps + added release profile to Cargo.toml
using cargo tarpaulin instead of grcov
letting errors flow up
using rfc3339 for temp file name
removing temp file
now opens $EDITOR to write post body