Add 'static/frontend/' from commit 'd70450a58e44a4ea7c70c06a6cd04267dae5e8b9'

git-subtree-dir: static/frontend
git-subtree-mainline: 12b0e61813e48e827d3058a83cde9533d8033d20
git-subtree-split: d70450a58e44a4ea7c70c06a6cd04267dae5e8b9
fix subtree common-frontend
fix templates for jinja and spacing
local subtree changes i missed