Add contact details for Google Mainframe Connector team (#1195)

tools/bigquery-zos-mainframe-connector/README.md

@@ -15,6 +15,10 @@ The Mainframe Connector consists of two main componets:
 
 * gszutil: provides gsutil and bq equivalent utilities for IBM mainframes running z/OS.
 
+## Note
+Mainframe Connector is actively being developed and maintained by the Google Cloud Engineering team. 
+If you like to get the latest Mainframe Connector release, need some help, like to learn more about the latest updates or anything else related to Mainframe Connector, 
+please contact us at [email protected]
 
 ## Usage
 ### Using BQSH from JCL
@@ -215,4 +219,6 @@ Common LOAD_STATISTIC columns include:
 - job_time
 - timestamp
 - job_id
-- job_type
+- job_type
+
+**Note**: If you want  more infromation related to Mainframe Connector or need any help, please contact us at [email protected]

tools/bigquery-zos-mainframe-connector/USING_WITH_BQ.md

@@ -6,10 +6,15 @@ Typical flow involves the following steps:
 4. Running a MERGE DML statement to load new incremental of data into target 
 table 
 
-*Note: if dataset does not require further modifications after loading, then 
+**Note**: if dataset does not require further modifications after loading, then 
 loading into a native table is a better option than loading into an external
 table
 
+## Note
+Mainframe Connector is actively being developed and maintained by the Google Cloud Engineering team. 
+If you like to get the latest Mainframe Connector release, need some help, like to learn more about the latest updates or anything else related to Mainframe Connector, 
+please contact us at [email protected]
+
 ## bq query
 
 ### Example JCL
@@ -241,4 +246,4 @@ Usage: rm [options] tablespec
                            If set to true, wait for the command to complete before returning, and use the job completion status as the error code. If set to false, the job is created, and successful completion status is used for the error code. The default value is true.
   --sync <value>           If set to true, wait for the command to complete before returning, and use the job completion status as the error code. If set to false, the job is created, and successful completion status is used for the error code. The default value is true.
 
-```
+```

tools/bigquery-zos-mainframe-connector/USING_WITH_GCS.md

@@ -9,6 +9,11 @@ The [gRPC server](./gszutil/grecv/environment/README.md) allows the connector to
 run on a server the transcoding of binary files to ORC. This significantly reduces
 the level of MIPs consumed by this tool.
 
+## Note
+Mainframe Connector is actively being developed and maintained by the Google Cloud Engineering team. 
+If you like to get the latest Mainframe Connector release, need some help, like to learn more about the latest updates or anything else related to Mainframe Connector, 
+please contact us at [email protected]
+
 ## gsutil cp
 
 This command is the only one which differs significantly from the non-mainframe version of the utility.

tools/bigquery-zos-mainframe-connector/gszutil/README.md

@@ -10,6 +10,9 @@ The utility is deployed as a cataloged procedure called by
 the [JCL EXEC statement](https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.ieab100/execst.htm)
 .
 
+## Note
+Mainframe Connector is actively being developed and maintained by the Google Cloud Engineering team. if you like to get the latest Mainframe Connector release, need some help, like to learn more about the latest updates or anything else related to Mainframe Connector, please contact us at [email protected]
+
 ## Usage
 
 Users can make multiple calls in a single step by entering commands on separate lines or delimited by a semicolon (`;`).
@@ -252,7 +255,3 @@ sbt assemblyPackageDependency
 The current COBOL Copy Book parser may not support all possible PIC strings. Not all gsutil and bq functionality is
 implemented by the emulators included in this utility. Command-line argument compatibility is made on a best-effort
 basis.
-
-## Disclaimer
-
-This is not an official Google product.