[FL-3965] Separate cli_shell into toolbox (#4175)

* cli_shell: separate into toolbox

* fix: cmd flags

* fix formatting

* cli: increase default stack depth

* cli_shell: fix loader lock logic

* cli: fix command flags

* fix f18

* speaker_debug: fix

* cli_registry: fix docs

* ufbt: rename cli target back

* cli: rename app and record

* cli: fix and simplify help command

* cli_master_shell: fix ext commands

* fix formatting

* cli: rename master to main

* fix formatting

---------

Co-authored-by: hedger <hedger@users.noreply.github.com>

lib/toolbox/cli/cli_registry.h

@@ -0,0 +1,92 @@
+/**
+ * @file cli_registry.h
+ * API for registering commands with a CLI shell
+ */
+
+#pragma once
+
+#include <furi.h>
+#include <m-array.h>
+#include <toolbox/pipe.h>
+#include "cli_command.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct CliRegistry CliRegistry;
+
+/**
+ * @brief Allocates a `CliRegistry`.
+ */
+CliRegistry* cli_registry_alloc(void);
+
+/**
+ * @brief Frees a `CliRegistry`.
+ */
+void cli_registry_free(CliRegistry* registry);
+
+/**
+ * @brief Registers a command with the registry. Provides less options than the
+ * `_ex` counterpart.
+ *
+ * @param [in] registry  Pointer to registry instance
+ * @param [in] name      Command name
+ * @param [in] flags     see CliCommandFlag
+ * @param [in] callback  Callback function
+ * @param [in] context   Custom context
+ */
+void cli_registry_add_command(
+    CliRegistry* registry,
+    const char* name,
+    CliCommandFlag flags,
+    CliCommandExecuteCallback callback,
+    void* context);
+
+/**
+ * @brief Registers a command with the registry. Provides more options than the
+ * non-`_ex` counterpart.
+ *
+ * @param [in] registry   Pointer to registry instance
+ * @param [in] name       Command name
+ * @param [in] flags      see CliCommandFlag
+ * @param [in] callback   Callback function
+ * @param [in] context    Custom context
+ * @param [in] stack_size Thread stack size
+ */
+void cli_registry_add_command_ex(
+    CliRegistry* registry,
+    const char* name,
+    CliCommandFlag flags,
+    CliCommandExecuteCallback callback,
+    void* context,
+    size_t stack_size);
+
+/**
+ * @brief Deletes a cli command
+ *
+ * @param [in] registry Pointer to registry instance
+ * @param [in] name     Command name
+ */
+void cli_registry_delete_command(CliRegistry* registry, const char* name);
+
+/**
+ * @brief Unregisters all external commands
+ * 
+ * @param [in] registry Pointer to registry instance
+ */
+void cli_registry_remove_external_commands(CliRegistry* registry);
+
+/**
+ * @brief Reloads the list of externally available commands
+ * 
+ * @param [in] registry Pointer to registry instance
+ * @param [in] config   See `CliCommandExternalConfig`
+ */
+void cli_registry_reload_external_commands(
+    CliRegistry* registry,
+    const CliCommandExternalConfig* config);
+
+#ifdef __cplusplus
+}
+#endif