fix: cli iapp commands (#77)

Co-authored-by: Copilot <[email protected]>

Author: Le-Caignec

src/references/iapp-generator/building-your-iexec-app.md

@@ -124,7 +124,7 @@ algorithms and data processing here.
 ### `iapp init`
 
 **Purpose**: Initialize a new iApp project  
-**Usage**: `iapp init [options]`  
+**Usage**: `iapp init`  
 **What it does**: Creates project structure, configuration files, and basic
 templates through interactive prompts.
 
@@ -150,7 +150,7 @@ templates through interactive prompts.
 **Options**:
 
 - `--chain <string>` – Specify the blockchain network for deployment (e.g.,
-  `goerli`, `mainnet`)
+  `arbitrum-mainnet`, `bellecour`)
 
 ### `iapp run <iAppAddress>`
 
@@ -170,7 +170,7 @@ templates through interactive prompts.
 - `--requesterSecret <array>` – Key-value requester secrets (`index=value`)
   available inside the iApp at `$IEXEC_REQUESTER_SECRET_*`
 - `--chain <string>` – Specify the blockchain network to run the iApp on (e.g.,
-  `goerli`, `mainnet`)
+  `arbitrum-mainnet`, `bellecour`)
 
 ### `iapp debug <taskId>`
 
@@ -183,36 +183,24 @@ templates through interactive prompts.
 **Options**:
 
 - `--chain <string>` – Specify the blockchain network of the task (e.g.,
-  `goerli`, `mainnet`)
+  `arbitrum-mainnet`, `bellecour`)
 
 ### `iapp mock <inputType>`
 
-**Purpose**: Create mocked input for testing purposes  
+**Purpose**: Create a mocked input for testing  
 **Usage**: `iapp mock <inputType> [options]`  
 **Positional arguments**:
 
-- `<inputType>` – Type of input to mock (e.g., `default`, `custom`)
-
-**Options**:
-
-- `--args <string>` – Arguments to use in the mock data
-- `--protectedData <string>` – Protected data mock name to use
-- `--inputFile <string>` – Input files to mock
-- `--requesterSecret <array>` – Requester secrets to mock
+- `<inputType>` – Type of input to mock [choices: "protectedData"]
 
 ### `iapp wallet <action>`
 
 **Purpose**: Manage wallet-related operations  
 **Usage**: `iapp wallet <action> [options]`  
 **Positional arguments**:
 
-- `<action>` – Wallet action to perform (e.g., `balance`, `address`, `sign`)
-
-**Options**:
-
-- `--chain <string>` – Specify the blockchain network (e.g., `goerli`,
-  `mainnet`)
-- `--data <string>` – Data to sign (for `sign` action)
+- `<action>` – Import a new wallet or select one from the keystore [choices:
+  "import", "select"]
 
 ## Advanced Options <ChainNotSupportedBadge />