Missing CSS properties defined in SVG

[bsmth]

This is a tracker issue so we don't forget to add the data for these props.

• Added CSS shape-rendering property content#35228 shape-rendering
• New pages: stop-opacity and stop-color properties content#35170 stop-opacity, stop-color
• Added CSS marker-* properties content#35107 marker-start, marker-mid, marker-end
• Added CSS text-anchor property content#35167 text-anchor
• New properties: SVG x and y content#34931 x and y
• Added CSS stroke property content#35259 stroke

Related issues:

• Missing CSS properties defined in SVG content#34763

[estelle]

SVG CSS attributes:

• clip-rule
• color-interpolation-filters
• cx
• cy
• dominant-baseline
• fill
• fill-opacity
• fill-rule
• marker
• marker-end
• marker-mid
• marker-start
• r
• rx
• ry
• shape-rendering
• stop-color
• stop-opacity
• stroke
• stroke-dasharray
• stroke-dashoffset
• stroke-linecap
• stroke-linejoin
• stroke-miterlimit
• stroke-opacity
• stroke-width
• text-anchor
• vector-effect
• word-wrap
• x
• y