* master: (597 commits)
  Add a site(https://mojaave.com) to showcase list (gatsbyjs#7275)
  feat: create a doc for open source pair programming sessions (gatsbyjs#7266)
  [docs] Add video lesson to the StaticQuery docs (gatsbyjs#7249)
  [v2] docs - update page query docs (gatsbyjs#7285)
  [v2] docs "Styling" overview (gatsbyjs#7288)
  Remove delay (gatsbyjs#7273)
  add site (gatsbyjs#7291)
  Adding new site to the showcase. (gatsbyjs#7281)
  chore(release): Publish
  initial webpack externals support (gatsbyjs#7245)
  add missing package dependencies (gatsbyjs#7259)
  add: custom configuration overview
  (gatsbyjs#7231): tutorial part four updates (gatsbyjs#7240)
  [www] Fix showcase search, checkbox styles (gatsbyjs#7014)
  (gatsbyjs#6584): Restructure plugin overview and plugin authoring pages (gatsbyjs#7229)
  Use Hubspot form for email subscription (gatsbyjs#7233)
  Adding bootstrap CV starter (gatsbyjs#7207)
  Stub Articles and new names (gatsbyjs#7200)
  Improve readability of verbose logging code in wordpress source plugin (gatsbyjs#7146)
  Update hash link to scroll to right section of page (gatsbyjs#7161)
  ...