Neo4j destination connector: show related query examples (#438)

Author: Paul-Cornell

snippets/general-shared-text/neo4j-graph.mdx

@@ -61,4 +61,64 @@ In the preceding diagram:
 - Each `UnstructuredElement` node has a `PART_OF_CHUNK` relationship with a `Chunk` element.
 - Each `Chunk` node, except for the "last" `Chunk` node, has a `NEXT_CHUNK` relationship with its "next" `Chunk` node.
 
-Learn more about [document elements](/platform/document-elements) and [chunking](/platform/chunking).
+Learn more about [document elements](/platform/document-elements) and [chunking](/platform/chunking).
+
+Some related example Neo4j graph queries include the following.
+
+Query for all nodes:
+
+```text
+MATCH (n)
+RETURN n
+```
+
+Query for `Chunk` to `Document` relationships:
+
+```text
+MATCH (chunk:Chunk)-[:PART_OF_DOCUMENT]->(doc:Document)
+RETURN chunk, doc
+```
+
+Query for `UnstructuredElement` to `Document` relationships:
+
+```text
+MATCH (element:UnstructuredElement)-[:PART_OF_DOCUMENT]->(doc:Document)
+RETURN element, doc
+```
+
+Query for `UnstructuredElement` to `Chunk` relationships:
+
+```text
+MATCH (element:UnstructuredElement)-[:PART_OF_CHUNK]->(chunk:Chunk)
+RETURN element, chunk
+```
+
+Query for `Chunk` to `Chunk` relationships:
+
+```text
+MATCH (this:Chunk)-[:NEXT_CHUNK]->(previous:Chunk)
+RETURN this, previous
+```
+
+Query for `UnstructuredElement` to `Chunk` to `Document` relationships:
+
+```text
+MATCH (element:UnstructuredElement)-[:PART_OF_CHUNK]-(chunk:Chunk)-[:PART_OF_DOCUMENT]->(doc:Document)
+RETURN element, chunk, doc
+```
+
+Query for `UnstructuredElements` containing the text `jury`, and show their `Chunk` relationships:
+
+```text
+MATCH (element:UnstructuredElement)-[:PART_OF_CHUNK]->(chunk:Chunk)
+WHERE element.text =~ '(?i).*jury.*'
+RETURN element, chunk
+```
+
+Query for the `Chunk` with the specified `id`, and show its `UnstructuredElement` relationships:
+
+```text
+MATCH (element:UnstructuredElement)-[:PART_OF_CHUNK]->(chunk:Chunk)
+WHERE chunk.id = '731508bf53637ce4431fe93f6028ebdf'
+RETURN element, chunk
+```