Rename Shell class init method

andino_firmware/src/app.cpp

@@ -130,7 +130,7 @@ void App::setup() {
   right_pid_controller_.reset(right_encoder_.read());
 
   // Initialize command shell.
-  shell_.init(Serial);
+  shell_.begin(Serial);
   shell_.set_default_callback(cmd_unknown_cb);
   shell_.register_command(Commands::kReadAnalogGpio, cmd_read_analog_gpio_cb);
   shell_.register_command(Commands::kReadDigitalGpio, cmd_read_digital_gpio_cb);

andino_firmware/src/shell.cpp

@@ -33,7 +33,7 @@
 
 namespace andino {
 
-void Shell::init(Stream& stream) { stream_ = &stream; }
+void Shell::begin(Stream& stream) { stream_ = &stream; }
 
 void Shell::set_default_callback(CommandCallback callback) { default_callback_ = callback; }
 

andino_firmware/src/shell.h

@@ -44,7 +44,7 @@ class Shell {
   /// @brief Initializes the shell.
   ///
   /// @param stream Data stream.
-  void init(Stream& stream);
+  void begin(Stream& stream);
 
   /// @brief Sets the default callback for unknown commands.
   ///