Add Picopass utility

.gitmodules

@@ -35,3 +35,6 @@
 [submodule "documentation/doxygen/doxygen-awesome-css"]
 	path = documentation/doxygen/doxygen-awesome-css
 	url = https://github.com/jothepro/doxygen-awesome-css.git
+[submodule "applications/system/picopass"]
+	path = applications/system/picopass
+	url = https://gitlab.com/bettse/picopass.git

applications/ReadMe.md

@@ -80,3 +80,4 @@ Utility apps not visible in other menus, plus few external apps pre-packaged wit
 - `storage_move_to_sd`  - Data migration tool for internal storage
 - `updater`             - Update service & application
 - `mfkey`               - MIFARE Classic key recovery tool
+- `picopass`            - Picopass tool

applications/system/application.fam

@@ -6,6 +6,7 @@ App(
         "updater_app",
         "js_app",
         "mfkey",
+        "picopass",
         # "archive",
     ],
 )