Small re-org of examples. Add README.

Author: rlubke

examples/README.md

@@ -0,0 +1,22 @@
+### Coherence Python Client Examples
+
+All examples in this directory assume that the Coherence Python Client has
+been installed.
+
+```bash
+python3 -m pip install coherence
+```
+
+Be sure a Coherence gRPC proxy is available for the examples to work against.
+
+```bash
+docker run -d -p 1408:1408 ghcr.io/oracle/coherence-ce:22.06.4
+```
+
+### The Examples
+* basics.py - basic CRUD operations
+* python_object_keys_and_values.py - shows how to use standard Python objects as keys or values of a cache
+* filters.py - using filters to filter results
+* processors.py - using entry processors to mutate cache entries on the server without get/put
+* aggregators.py - using entry aggregators to query a subset of entries to produce a result
+* events.py - demonstrates cache lifecycle and cache entry events