Add denode commands instructions (#27)

* Add disks management guide

* Add denode commands CLI instructions

* Change title

Author: superhacker2002

guide/denode-command.md

@@ -0,0 +1,114 @@
+# DeNode CLI Account and Config Management Guide
+
+## Overview
+The `account` and `config` commands allow users to manage Ethereum wallets and node configuration files for the Denode (peaq DePIN node).
+
+Global flags available for all commands:
+- `-d, --debug` Enable debug output
+- `-h, --help`  Show help
+
+## Account Management Commands
+
+### Command: account delete
+
+**Purpose:** Delete your ethereum account
+
+**Usage:**
+```
+./denode account delete
+```
+
+### Command: account export
+
+**Purpose:** Export your ethereum account private key
+
+**Usage:**
+```
+./denode account export
+```
+
+### Command: account import
+
+**Purpose:** Imports your wallet by private key
+
+**Usage:**
+```
+./denode account import
+```
+
+## Config Management Commands
+
+### Command: config clear
+
+**Purpose:** Deletes all user's configuration files when it's needed to start from scratch
+
+**Usage:**
+```
+./denode config clear
+```
+
+### Command: config code
+
+**Purpose:** Generates a code for obtaining a role on the Discord server
+
+**Usage:**
+```
+./denode config code
+```
+
+### Command: config generate
+
+**Purpose:** Generates a new config file in the working directory (all command line parameters are required for non-interactive mode)
+
+**Flags:**
+* `--address` string  (required) Account address to create config for
+* `--license` string  (required for non-interactive) License ID
+* `--storage` string  (required for non-interactive) Storage directory path
+* `--share` int    Storage share size in GiB (minimum 1)
+* `--rpc` string    peaq blockchain RPC URL
+* `--ip` string    Node server IP address (default "0.0.0.0")
+* `--port` int    Port number (10000-65535) (default 55050)
+
+**Usage example:**
+```
+./denode config generate \
+  --address 0x123...abc \
+  --license 12345 \
+  --storage /home/user/denode_storage \
+  --share 200 \
+  --rpc https://rpc-peaq.peaq.network \
+  --ip 0.0.0.0 \
+  --port 55050
+```
+
+### Command: config get
+
+**Purpose:** Display the decrypted configuration
+
+**Flags:**
+* `--address` string  Account address to get config for
+* `--license` string  (required for non-interactive mode) License ID
+
+**Usage (interactive mode):**
+```
+./denode config get --address 0x123...abc
+```
+
+**Usage (non-interactive mode):**
+```
+./denode config get --address 0x123...abc --license 12345
+```
+
+### Command: config set
+
+**Purpose:** Modifies specified fields in a configuration file (only in interactive mode)
+
+**Flags:**
+* `--address` string  (required) Account address to modify config for
+
+**Usage:**
+```
+./denode config set --address 0x123...abc
+```
+
+The command will launch an interactive menu where you can change individual fields (license, storage path, share size, RPC, port, etc.).