DOC: fix SA01,ES01 for pandas.RangeIndex.start (pandas-dev#59728)

* DOC: fix SA01,ES01 for pandas.RangeIndex.start

* remove superfluous description of RangeIndex

Author: tuhinsharma121

ci/code_checks.sh

@@ -75,7 +75,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.Period.ordinal GL08" \
         -i "pandas.PeriodDtype.freq SA01" \
         -i "pandas.RangeIndex.from_range PR01,SA01" \
-        -i "pandas.RangeIndex.start SA01" \
         -i "pandas.RangeIndex.step SA01" \
         -i "pandas.Series.cat.add_categories PR01,PR02" \
         -i "pandas.Series.cat.as_ordered PR01" \

pandas/core/indexes/range.py

@@ -295,6 +295,16 @@ def start(self) -> int:
         """
         The value of the `start` parameter (``0`` if this was not supplied).
 
+        This property returns the starting value of the `RangeIndex`. If the `start`
+        value is not explicitly provided during the creation of the `RangeIndex`,
+        it defaults to 0.
+
+        See Also
+        --------
+        RangeIndex : Immutable index implementing a range-based index.
+        RangeIndex.stop : Returns the stop value of the `RangeIndex`.
+        RangeIndex.step : Returns the step value of the `RangeIndex`.
+
         Examples
         --------
         >>> idx = pd.RangeIndex(5)