[DRIVERS-414] ChangeStreams Examples for Docs - MongoDB Jira

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Similar to what we did for the crud examples, if all the drivers could implement the following changestream examples which the docs team can extract:

We'll use the inventory collection.
The examples are from the java examples from Aly's POD.

// Start Changestream Example 1

MongoCursor<Document> cursor = inventory.watch().iterator();

Document next = cursor.next();

// End Changestream Example 1

// Start Changestream Example 2

MongoCursor<Document> cursor =

inventory.watch().fullDocument(FullDocument.UPDATE_LOOKUP).iterator();

Document next = cursor.next();

// End Changestream Example 2

// Start Changestream Example 3

Document resumeToken = next.get("_id", Document.class);

MongoCursor<Document> cursor = inventory.watch().resumeAfter(resumeToken).iterator();

cursor.next();

// End Changestream Example 3

depends on

RUST-43 ChangeStreams Examples for Docs

CDRIVER-2323 ChangeStreams Examples for Docs

CSHARP-2064 ChangeStreams Examples for Docs

CXX-1450 ChangeStreams Examples for Docs

JAVA-2634 ChangeStreams Examples for Docs

NODE-1159 ChangeStreams Examples for Docs

PHPLIB-289 ChangeStreams Examples for Docs

PYTHON-1393 ChangeStreams Examples for Docs

RUBY-1248 ChangeStreams Examples for Docs

SWIFT-170 ChangeStreams Examples for Docs

related to

DRIVERS-398 Change stream support

DRIVERS-436 Add pipeline stage to ChangeStreams example for Docs

(5 depends on, 2 related to)