Add installation as snap instructions (#36099)

* Add installation as snap instructions

* Add hyperlink to snap store listing

* Fix links to chip tool doc

docs/development_controllers/chip-tool/chip_tool_guide.md

@@ -9,33 +9,29 @@ the setup payload or performing discovery actions.
 
 <hr>
 
-## Source files
+## Installation
 
-You can find source files of the CHIP Tool in the `examples/chip-tool`
-directory.
-
-> **Note:** The CHIP Tool caches the configuration state in the
-> `/tmp/chip_tool_config.ini` file. Deleting this and other `.ini` files in the
-> `/tmp` directory can sometimes resolve issues related to stale configuration.
+On Linux distributions
+[running snapd](https://snapcraft.io/docs/installing-snapd), such as Ubuntu, the
+CHIP Tool can be installed using the
+[chip-tool snap](https://snapcraft.io/chip-tool). To do this, run:
 
-> **Note:** To make the configuration persistent (since `/tmp` directory might
-> be flushed at each reboot) you can change the directory where CHIP Tool caches
-> its configuration by using the option `--storage-directory`
+```
+sudo snap install chip-tool
+```
 
-<hr>
+## Building from source
 
-## Building and running the CHIP Tool
+The source files of the CHIP Tool are available in the `examples/chip-tool`
+directory.
 
-Before you can use the CHIP Tool, you must compile it from source on Linux
-(amd64/aarch64) or macOS. If you want to run it on Raspberry Pi, it must use a
-64-bit OS.
+The source can be compiled on Linux (amd64/aarch64) or macOS. If you want to run
+it on Raspberry Pi, you must use a 64-bit OS.
 
 > **Note:** To ensure compatibility, always build the CHIP Tool and the Matter
 > device from the same revision of the `connectedhomeip` repository.
 
-### Building the CHIP Tool
-
-To build and run the CHIP Tool:
+To build the CHIP Tool:
 
 1. Install all required packages for Matter and prepare the source code and the
    build system. Read the [Building Matter](../../guides/BUILDING.md) guide for
@@ -50,10 +46,16 @@ To build and run the CHIP Tool:
     In this command, `BUILD_PATH` specifies where the target binaries are to be
     placed.
 
-### Running the CHIP Tool
+## Running the CHIP Tool
+
+If you installed the CHIP Tool as a snap, the command to run it would be:
+
+```
+$ chip-tool
+```
 
-To check if the CHIP Tool runs correctly, execute the following command from the
-`BUILD_PATH` directory:
+If you compiled the CHIP Tool from source, it can be executed with the following
+command from the `BUILD_PATH` directory:
 
 ```
 $ ./chip-tool
@@ -68,6 +70,13 @@ more complex command by appending it with sub-commands. Examples of specific
 commands and their use cases are described in the
 [Supported commands and options](#supported-commands-and-options) section.
 
+> **Note:** The CHIP Tool caches the configuration state in the
+> `/tmp/chip_tool_config.ini` file. Deleting this and other `.ini` files in the
+> `/tmp` directory can sometimes resolve issues related to stale configuration.
+> To make the configuration persistent you can change the directory where CHIP
+> Tool caches its configuration by using the command line option
+> `--storage-directory`
+
 <hr>
 
 ## CHIP Tool modes

examples/light-switch-app/nrfconnect/README.md

@@ -638,7 +638,7 @@ same Matter network.
 To perform the unicast binding process, complete the following steps:
 
 1.  Build the CHIP Tool according to the steps from the
-    [CHIP Tool user guide](../../../docs/development_controllers/chip-tool/chip_tool_guide.md#building-and-running-the-chip-tool).
+    [CHIP Tool user guide](../../../docs/development_controllers/chip-tool/chip_tool_guide.md#building-from-source).
 2.  Go to the CHIP Tool build directory.
 3.  Add an ACL to the development kit that is programmed with the
     [Lighting Application Example](../../lighting-app/nrfconnect/README.md) by
@@ -690,7 +690,7 @@ same Matter network.
 To perform the unicast binding process, complete the following steps:
 
 1.  Build the CHIP Tool according to the steps from the
-    [CHIP Tool user guide](../../../docs/development_controllers/chip-tool/chip_tool_guide.md#building-and-running-the-chip-tool).
+    [CHIP Tool user guide](../../../docs/development_controllers/chip-tool/chip_tool_guide.md#building-from-source).
 2.  Go to the CHIP Tool build directory.
 
 3.  Add the light switch device to the multicast group by running the following