Add MFKey to firmware

applications/system/mfkey/.catalog/changelog.md

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+## 3.0
+ - Added Static Encrypted Nested key recovery, added NFC app support, dropped FlipperNested support
+## 2.7
+ - Mfkey32 recovery is 30% faster, fix UI and slowdown bugs
+## 2.6
+ - Version bump for catalog build system
+## 2.5
+ - Plugin path fixed
+## 2.4
+ - Update API for app rename
+## 2.3
+ - Update API v65.0
+## 2.0
+ - Added Nested key recovery, use new KeysDict API, fix crashes, more efficient RAM utilization, faster
+## 1.1
+ - Rework application with new NFC API
+## 1.0
+ - Initial release