fix(partner-sdk): updated the build, run script file permission and a…

…dded detailed steps

examples/connector/python/build.sh

@@ -1,9 +1,14 @@
 #!/bin/bash
+# Creates virtual environment to install the packages and to run the connector.
 python3 -m venv connector_run
 source connector_run/bin/activate
+# install the added packages
+pip install -r requirements.txt
+
+# copying protos present in the root of directory to `protos` folder
 mkdir -p protos
 cp ../../../*.proto protos/
-pip install -r requirements.txt
+# Generates the required gRPC Python files using protos into `sdk_pb2` folder
 mkdir -p sdk_pb2
 python -m grpc_tools.protoc \
        --proto_path=./protos/ \

examples/connector/python/run.sh

@@ -1,3 +1,4 @@
+# activate the created virtual environment during the build and run the main file.
 source connector_run/bin/activate
 python main.py
 deactivate