Google Drive source connector: do not include leading dots in file extensions filter (#558)

Author: Paul-Cornell

snippets/general-shared-text/google-drive-api-placeholders.mdx

@@ -1,5 +1,10 @@
 - `<name>` (_required_) - A unique name for this connector.
 - `<drive-id>` - The ID for the target Google Drive folder.
 - `<service-account-key>` - The contents of the `credentials.json` key file as a single-line string.
-- For `extensions`, set one or more `<extension>` values (such as `.pdf` or `.docx`) to process files with only those extensions. The default is to include all extensions.
+- For `extensions`, set one or more `<extension>` values (such as `pdf` or `docx`) to process files with only those extensions. The default is to include all extensions.
+
+  <Note>
+      Do not include the leading dot in the file extensions. For example, use `pdf` or `docx` instead of `.pdf` or `.docx`.
+  </Note>
+
 - Set `recursive` to `true` to recursively process data from subfolders within the target folder. The default is `false` if not otherwise specified.

snippets/general-shared-text/google-drive-cli-api.mdx

@@ -15,3 +15,8 @@ The following environment variables:
 
   - `GCP_SERVICE_ACCOUNT_KEY_FILEPATH` - The path to the `credentials.json` key file, represented by `--service-account-key-path` (CLI) or `service_account_key_path` (Python).
   - `GCP_SERVICE_ACCOUNT_KEY_STRING` - The contents of the `credentials.json` key file as a string, represented by `--service-account-key` (CLI) or `service_account_key` (Python).
+
+<Note>
+    To use `--extensions` with a comma-separated list (CLI) or `extensions` with an array of strings (Python) to process files with only those extensions, 
+    do not include the leading dot in the file extensions. For example, use `pdf` or `docx` instead of `.pdf` or `.docx`.
+</Note>

snippets/general-shared-text/google-drive-platform.mdx

@@ -2,7 +2,12 @@ Fill in the following fields:
 
 - **Name** (_required_): A unique name for this connector.
 - **Drive ID** (_required_): The target folder's ID.
-- **Extensions**: A comma-separated list of any file extensions to be included in the ingestion process (such as `.jpg,.pdf`), if filtering is needed. 
+- **Extensions**: A comma-separated list of any file extensions to be included in the ingestion process (such as `jpg,pdf`), if filtering is needed. 
   The default is to include all files, if not otherwise specified.
+
+  <Note>
+      Do not include the leading dot in the file extensions. For example, use `jpg` or `pdf` instead of `.jpg` or `.pdf`.
+  </Note>
+
 - **Recursive**: Check this box to also access files from all subfolders within the folder.
 - **Account Key** (_required_): The contents of the `credentials.json` key file for the target service account. These contents must be expressed as a single-line string without line breaks.