Missing CSS properties defined in SVG

[bsmth]

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

• [x] https://github.com/mdn/content/pull/35228 shape-rendering
• [x] https://github.com/mdn/content/pull/35170 stop-opacity, stop-color
• [x] https://github.com/mdn/content/pull/35107 marker-start, marker-mid, marker-end
• [x] https://github.com/mdn/content/pull/35167 text-anchor
• [x] https://github.com/mdn/content/pull/34931 x and y
• [x] https://github.com/mdn/content/pull/35259 stroke

Related issues:

• [x] https://github.com/mdn/content/issues/34763

[estelle]

SVG CSS attributes:

• [ ] clip-rule
• [ ] color-interpolation-filters
• [x] cx
• [x] cy
• [ ] dominant-baseline
• [x] fill
• [x] fill-opacity
• [x] fill-rule
• [x] marker
• [x] marker-end
• [x] marker-mid
• [x] marker-start
• [x] r
• [x] rx
• [x] 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
• [x] word-wrap
• [x] x
• [x] y