[DOC] Fix help command in documentation (#540)

Signed-off-by: Ahmed Hussein (amahussein) <a@ahussein.me>

Fixes #496

user_tools/docs/user-tools-aws-emr.md

@@ -32,7 +32,7 @@ the applications running on AWS EMR.
   - from source: `pip install -e .`
 - verify the command is installed correctly by running
   ```bash
-    spark_rapids_user_tools emr --help
+    spark_rapids_user_tools emr -- --help
   ```
 
 ### 4.Environment variables
@@ -55,7 +55,7 @@ Before running any command, you can set environment variables to specify configu
 
 ```
 spark_rapids_user_tools emr qualification [options]
-spark_rapids_user_tools emr qualification --help
+spark_rapids_user_tools emr qualification -- --help
 ```
 
 The local deployment runs on the local development machine. It requires:
@@ -307,7 +307,7 @@ The CLI is triggered by providing the location where the yaml file is stored `--
 
 ```
 spark_rapids_user_tools emr bootstrap [options]
-spark_rapids_user_tools emr bootstrap --help
+spark_rapids_user_tools emr bootstrap -- --help
 ```
 
 The command generates an output with a list of properties to be applied to Spark configurations.
@@ -370,7 +370,7 @@ generate an output while displaying warning that the remote changes failed.
 
 ```
 spark_rapids_user_tools emr diagnostic [options]
-spark_rapids_user_tools emr diagnostic --help
+spark_rapids_user_tools emr diagnostic -- --help
 ```
 
 Run diagnostic command to collects information from EMR cluster, such as OS version, # of worker

user_tools/docs/user-tools-databricks-aws.md

@@ -35,7 +35,7 @@ The tool currently only supports event logs stored on S3 (no DBFS paths). The re
   - from source: `pip install -e .`
 - verify the command is installed correctly by running
   ```bash
-    spark_rapids_user_tools databricks-aws --help
+    spark_rapids_user_tools databricks-aws -- --help
   ```
 
 ### 5.Environment variables
@@ -53,7 +53,7 @@ Before running any command, you can set environment variables to specify configu
 
 ```
 spark_rapids_user_tools databricks-aws qualification [options]
-spark_rapids_user_tools databricks-aws qualification --help
+spark_rapids_user_tools databricks-aws qualification -- --help
 ```
 
 The local deployment runs on the local development machine. It requires:

user_tools/docs/user-tools-databricks-azure.md

@@ -39,7 +39,7 @@ The tool currently only supports event logs stored on ABFS ([Azure Blob File Sys
   - from source: `pip install -e .`
 - Verify the command is installed correctly by running
   ```bash
-    spark_rapids_user_tools databricks-azure --help
+    spark_rapids_user_tools databricks-azure -- --help
   ```
 
 ### 5.Environment variables
@@ -57,7 +57,7 @@ Before running any command, you can set environment variables to specify configu
 
 ```
 spark_rapids_user_tools databricks-azure qualification [options]
-spark_rapids_user_tools databricks-azure qualification --help
+spark_rapids_user_tools databricks-azure qualification -- --help
 ```
 
 The local deployment runs on the local development machine. It requires:

user_tools/docs/user-tools-dataproc.md

@@ -35,7 +35,7 @@ the applications running on _Google Cloud Dataproc_.
     - from source: `pip install -e .`
 - verify the command is installed correctly by running
   ```bash
-    spark_rapids_user_tools dataproc --help
+    spark_rapids_user_tools dataproc -- --help
   ```
 
 ### 4.Environment variables
@@ -55,7 +55,7 @@ RAPIDS variables have a naming pattern `RAPIDS_USER_TOOLS_*`:
 
 ```
 spark_rapids_user_tools dataproc qualification [options]
-spark_rapids_user_tools dataproc qualification --help
+spark_rapids_user_tools dataproc qualification -- --help
 ```
 
 The local deployment runs on the local development machine. It requires:
@@ -380,7 +380,7 @@ generate an output while displaying warning that the remote changes failed.
 
 ```
 spark_rapids_user_tools dataproc diagnostic [options]
-spark_rapids_user_tools dataproc diagnostic --help
+spark_rapids_user_tools dataproc diagnostic -- --help
 ```
 
 Run diagnostic command to collects information from Dataproc cluster, such as OS version, # of worker

user_tools/docs/user-tools-onprem.md

@@ -23,7 +23,7 @@ The tool currently only supports event logs stored on local path. The remote out
   - from source: `pip install -e .`
 - verify the command is installed correctly by running
   ```bash
-    spark_rapids_user_tools onprem --help
+    spark_rapids_user_tools onprem -- --help
   ```
 
 ### 3.Environment variables
@@ -39,7 +39,7 @@ Before running any command, you can set environment variables to specify configu
 
 ```
 spark_rapids_user_tools onprem qualification [options]
-spark_rapids_user_tools onprem qualification --help
+spark_rapids_user_tools onprem qualification -- --help
 ```
 
 The local deployment runs on the local development machine. It requires: