Reorder and update fundamentals-sections.rst

(cherry picked from commit 972afb6)

Author: rustagir

source/includes/fundamentals-sections.rst

@@ -10,12 +10,12 @@ Fundamentals section:
 - :ref:`Read from and Write to MongoDB <golang-crud>`
 - :ref:`Perform Aggregations <golang-aggregation>`
 - :ref:`Construct Indexes <golang-indexes>`
-- :ref:`Specify Collations to Order Results <golang-collations>`
+- :ref:`Perform Transactions <golang-transactions>`
 - :ref:`Record Log Messages <golang-logging>`
 - :ref:`Run A Database Command <golang-run-command>`
+- :ref:`Specify Collations to Order Results <golang-collations>`
 - :ref:`Use Driver Events in Your Code <golang-monitoring>`
 - :ref:`Store and Retrieve Files in MongoDB <golang-gridfs>`
 - :ref:`Use a Time Series Collection <golang-time-series>`
 - :ref:`Encrypt Fields <golang-fle>`
 - :ref:`Work with Geospatial Data <golang-geo>`
-