update documentation for new changes in v1.6.0

Author: sunny-chung

doc/_include/duplicate-environment.gif

@@ -10,8 +10,8 @@ Development.
 Each environment may contain the followings:
 - Zero or more variables
 - HTTP protocol version preference
-- SSL verification preference
-- Zero or more user files (for scripts)
+- [SSL verification preference](ssl-configuration)
+- Zero or more [user files (for scripts)](user-script)
 
 ## Creating an Environment
 
@@ -30,3 +30,9 @@ use.
 Variables that can be resolved are highlighted in blue, otherwise it is in red.
 
 If no environment is selected, all variables are unresolvable and thus they will be all red.
+
+## Duplicating an Environment
+
+Click the duplicate icon located in top-right corner of the dialog to duplicate. Everything under this environment, including imported certificates and files, would be duplicated.
+
+![Duplicating an Environment](../duplicate-environment.gif)

doc/_include/duplicate-request-example.gif

@@ -43,6 +43,16 @@ Among these items, individual inheritance can be disabled by unselecting the che
 ## Renaming a Request Example
 Just double-click the Request Example, make changes and hit enter.
 
+## Duplicating a Request Example
+Click the duplicate button next to the name of the Example, and then give a name to the new one.
+
+![Dupplicating a Request Example](../duplicate-request-example.gif)
+
+## Navigating among Request Examples
+Request Examples can be navigated by scrolling the Example tabs in horizontal direction, vertical direction or clicking the "List" button next to the "Add Request Example" button.
+
+![Navigating among Request Examples](../navigate-request-examples.gif)
+
 ## Payload Examples
 
 For WebSocket and gRPC calls that support client streaming, each request contains one or more Payload Example to allow

doc/_include/navigate-request-examples.gif

@@ -0,0 +1,23 @@
+---
+title: Subproject Configuration
+---
+
+# Subproject Configuration
+
+![Subproject Configuration](../subproject-configuration.gif)
+
+In the main screen, click the pencil button next to the subproject name to open the Subproject Configuration dialog.
+
+## Renaming a Subproject
+
+The name of the subproject can be changed in this dialog.
+
+## "Configuration" Tab
+
+The display length of payloads in the [Transport Log](transport-timeline) are limited to prevent unwanted growth of disk usage and memory consumption. Their limit can be adjusted under this tab.
+
+Description of individual configurations can be found by hovering over the question mark icon.
+
+## "gRPC API Spec" Tab
+
+gRPC API Specs of a subproject can be managed under this tab. Refer to [this section](../transports/grpc) for more details.

doc/_include/subproject-configuration.gif

@@ -12,7 +12,7 @@ An example use case of user scripts is to generate some hash or signature with s
 
 ## Providing custom files for user script use
 
-Files can be imported into an [Environment](environments) to be consumed by user script. Only small files can be imported.
+Files can be imported into an [Environment](environments) to be consumed by user script. Only small files can be imported. They would be included into data dump files.
 
 ![User Files](../user-files.png)
 

doc/features/environments.md

@@ -11,6 +11,7 @@ navigation:
       - path: doc/features/request-examples-and-payload-examples.md
       - path: doc/features/custom-http-methods.md
       - path: doc/features/command-generation.md
+      - path: doc/features/subproject-configuration.md
       - path: doc/features/environments.md
       - path: doc/features/ssl-configuration.md
       - path: doc/features/functions.md