C++ apps: templated scene controller (#517)

* C++ apps: templated scene controller
* templated app: fix type names
* templated app: text store component
* Applications: add "Templated Scene" application
* templated app: refractoring
* Gui module byte input: fix docs
* templated app: new byte input scene
* templated app: dialog ex view module
* templated app: popup view module
* templated app: dialog-ex view module, fix docs
* templated app: text input view module
* Gui module text input: fix docs
* Furi: duplicated include
* templated app: record holder (controller) class
* templated app: view modules can now be accessed via cast
* templated app: remove unused includes
* templated app: fix return code

lib/app-scened-template/view-modules/text-input-vm.h

@@ -0,0 +1,35 @@
+#pragma once
+#include "generic-view-module.h"
+#include <gui/modules/text_input.h>
+
+class TextInputVM : public GenericViewModule {
+public:
+    TextInputVM();
+    ~TextInputVM() final;
+    View* get_view() final;
+    void clean() final;
+
+    /**
+     * @brief Set text input result callback
+     * 
+     * @param callback - callback fn
+     * @param callback_context - callback context
+     * @param text - text buffer to use
+     * @param max_text_length - text buffer length
+     */
+    void set_result_callback(
+        TextInputCallback callback,
+        void* callback_context,
+        char* text,
+        uint8_t max_text_length);
+
+    /** 
+     * @brief Set text input header text
+     * 
+     * @param text - text to be shown
+     */
+    void set_header_text(const char* text);
+
+private:
+    TextInput* text_input;
+};