Release 1.0.0-rc.28

• improve readme screenshots: core features (a196880)
• About: fix typos (d1ec66f)
• add image title // improve image captions (1d13e1c)
• improve screenshot captions (6057608)
• Add keywords (06cbc61)
• add more development description (de6e794)
• readme: Fix typos, add image captions (3811ac1)
• Merge branch 'master' of github.com:dmstern/npmfrog (f17c5aa)
• Fix typos (6d83560)
• Fix typos (d2b53bd)
• Merge branch 'master' of github.com:dmstern/npmfrog (b73fdef)
• readme: Improve screenshots (d2ce14e)
• improve sample config (19952cb)
• README: Add config code snipped (30f0e96)
• Add npm run ps to README (4fdf361)
• Update dependency @mdi/font (0a4c67a)