docs: use markdown instead of rst (influxdata#639)

* docs: use markdown instead of rst

* docs: use markdown instead of rst

* fix: generating HTML for pydoc

* fix: generating HTML for pydoc

* docs: update CHANGELOG.md

Author: bednar

.circleci/config.yml

@@ -153,6 +153,7 @@ jobs:
             pip install sphinx==1.8.5 --user
             pip install sphinx_rtd_theme --user
             pip install jinja2==3.0.3 --user
+            pip install myst_parser>=0.19.2--user
             cd docs
             python -m sphinx -T -E -b html -d _build/doctrees -D language=en . _build/html
   check-aws-lambda-layer:

CHANGELOG.md

@@ -4,6 +4,9 @@
 1. [#636](https://github.com/influxdata/influxdb-client-python/pull/636): Handle missing data in data frames
 2. [#638](https://github.com/influxdata/influxdb-client-python/pull/638): Refactor DataFrame operations to avoid chained assignment and resolve FutureWarning in pandas, ensuring compatibility with pandas 3.0.
 
+### Documentation
+1. [#639](https://github.com/influxdata/influxdb-client-python/pull/639): Use Markdown for `README`
+
 ## 1.40.0 [2024-01-30]
 
 ### Features