Add MFC editor template

application.fam

@@ -0,0 +1,17 @@
+App(
+    appid="mfc_editor",
+    name="MIFARE Classic Editor",
+    apptype=FlipperAppType.EXTERNAL,
+    targets=["f7"],
+    entry_point="mfc_editor_app",
+    requires=[
+        "storage",
+        "gui",
+    ],
+    stack_size=4 * 1024,
+    fap_description="Application for viewing and editing MIFARE Classic .nfc files",
+    fap_version="1.0",
+    fap_icon="assets/app_icon_10px.png",
+    fap_category="NFC",
+    fap_icon_assets="assets",
+)

mfc_editor_app.c

@@ -0,0 +1,7 @@
+#include "mfc_editor_app_i.h"
+
+int32_t mfc_editor_app(void* p) {
+    UNUSED(p);
+
+    return 0;
+}

mfc_editor_app_i.h

@@ -0,0 +1,3 @@
+#pragma once
+
+#include <furi.h>