DOCSP-29771: Add meta descriptions (#100)

* DOCSP-29771: Add meta descriptions

Author: Chris Cho

source/fundamentals.txt

@@ -4,7 +4,8 @@
 Fundamentals
 ============
 
-.. default-domain:: mongodb
+.. meta::
+   :description: Learn how to use the (+driver-long+} to run commands on MongoDB.
 
 .. toctree::
    :titlesonly:

source/fundamentals/crud.txt

@@ -4,11 +4,14 @@
 CRUD Operations
 ===============
 
+.. meta::
+   :description: Learn how to run create, read, update, delete (CRUD) MongoDB operations by using the {+driver-long+}.
+
 .. toctree::
    :caption: CRUD Operations
 
    /fundamentals/crud/write-operations
    /fundamentals/crud/read-operations
 
 - :ref:`csharp-crud-read-operations`
-- :ref:`csharp-crud-write-operations`
+- :ref:`csharp-crud-write-operations`

source/fundamentals/crud/read-operations.txt

@@ -4,6 +4,9 @@
 Read Operations
 ===============
 
+.. meta::
+   :description: Learn about the commands for running MongoDB read operations by using the {+driver-long+}.
+
 .. toctree::
    :caption: Read Operations
 

source/fundamentals/crud/write-operations.txt

@@ -4,6 +4,9 @@
 Write Operations
 ================
 
+.. meta::
+   :description: Learn about the commands for running MongoDB write operations by using the {+driver-long+}.
+
 .. toctree::
    :caption: Write Operations
 
@@ -13,4 +16,4 @@ Write Operations
 
 - :ref:`csharp-change-guide`
 - :ref:`csharp-delete-guide`
-- :ref:`csharp-insert-guide`
+- :ref:`csharp-insert-guide`