[Docs] Fixed minor typos (qmk#8860)

Merge pull request qmk#8710 from vomindoraan/keymap_extras_fixup

Add a syllabus to guide people who are learning QMK (qmk#8816)

Merge pull request qmk#8722 from fauxpark/keymap-extras-bepo

Merge pull request qmk#8722 from fauxpark/keymap-extras-bepo

Merge pull request qmk#8722 from fauxpark/keymap-extras-bepo

Merge pull request qmk#8722 from fauxpark/keymap-extras-bepo

Move everything to Python 3.6 (qmk#8835)

Load keymap-level rules.mk when compiling keymap.json (qmk#8841)

Remove Atmel FLIP from install scripts and documentation (qmk#8822)