Collected documentation updates from review comments

[mborland]

Close: #131 Close: #133 Close: #137

[cppalliance-bot]

An automated preview of the documentation is available at https://145.charconv.prtest.cppalliance.org/libs/charconv/doc/html/index.html

[cppalliance-bot]

An automated preview of the documentation is available at https://145.charconv.prtest.cppalliance.org/libs/charconv/doc/html/index.html

[cppalliance-bot]

An automated preview of the documentation is available at https://145.charconv.prtest.cppalliance.org/libs/charconv/doc/html/index.html

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (df09611) 88.29% compared to head (7a9644e) 88.40%. Report is 4 commits behind head on develop.

Additional details and impacted files

[](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance) ```diff @@ Coverage Diff @@ ## develop #145 +/- ## =========================================== + Coverage 88.29% 88.40% +0.11% =========================================== Files 56 56 Lines 7919 7935 +16 =========================================== + Hits 6992 7015 +23 + Misses 927 920 -7 ``` | [Files](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance) | Coverage Δ | | |---|---|---| | [.../boost/charconv/detail/from\_chars\_integer\_impl.hpp](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance#diff-aW5jbHVkZS9ib29zdC9jaGFyY29udi9kZXRhaWwvZnJvbV9jaGFyc19pbnRlZ2VyX2ltcGwuaHBw) | `100.00% <100.00%> (ø)` | | | [test/from\_chars.cpp](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance#diff-dGVzdC9mcm9tX2NoYXJzLmNwcA==) | `100.00% <100.00%> (ø)` | | | [test/from\_chars\_float.cpp](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance#diff-dGVzdC9mcm9tX2NoYXJzX2Zsb2F0LmNwcA==) | `98.59% <100.00%> (+<0.01%)` | :arrow_up: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/cppalliance/charconv/pull/145/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance) ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance). Last update [16cfce9...7a9644e](https://app.codecov.io/gh/cppalliance/charconv/pull/145?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cppalliance).