tdf#127294 Remove spaces; follow design guidelines for tips-of-the-day
- converted to design guidelines
all quotes
all menus items
apostrophe (U+2019)
em-dash (U+2014)
minus (U+2212)
expanded contractions
- Corrected spelling and grammar mistakes.
- Simplified wording in some tips
- tried to clarify uri explanation in relation to help
Change-Id: Ic9984fdc09813d2b43324a104d5c30420671c6b9
Reviewed-on: https://gerrit.libreoffice.org/85228
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>