[libc++][doc] Cleanup, normalize, and update projects status docs
authorKent Ross <k@mad.cash>
Thu, 26 Aug 2021 14:23:54 +0000 (10:23 -0400)
committerLouis Dionne <ldionne.2@gmail.com>
Thu, 26 Aug 2021 14:33:52 +0000 (10:33 -0400)
commit3fe7dde5f1a31c4ddc1656df839ca2305630cb4d
tree025c1f6280369e2b8fc3ed21eacd452a2a4659d0
parenta28234e37af877b2b4a23c2091c27fa18c155f9a
[libc++][doc] Cleanup, normalize, and update projects status docs

Mark the now-done [cmp.result] in spaceship projects as complete;
normalize some status markers for papers and projects; fix alignment
and line breaks in spaceship projects, add links to standard

Differential Revision: https://reviews.llvm.org/D108502
libcxx/docs/Helpers/Styles.rst
libcxx/docs/Status/FormatIssues.csv
libcxx/docs/Status/FormatPaper.csv
libcxx/docs/Status/SpaceshipProjects.csv