Merge magspoof from https://github.com/zacharyweiss/magspoof_flipper

magspoof/.github/workflows/md_links.yml

@@ -0,0 +1,17 @@
+name: Check Markdown links
+
+on:
+  workflow_dispatch:
+  push:
+  schedule:
+  # Run everyday at 9:00 AM (See https://pubs.opengroup.org/onlinepubs/9699919799/utilities/crontab.html#tag_20_25_07)
+  - cron: "0 9 * * *"
+
+jobs:
+  markdown-link-check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - uses: gaurav-nelson/github-action-markdown-link-check@1.0.15
+      with:
+        use-verbose-mode: 'yes'

magspoof/NOTES.md

@@ -1,7 +1,7 @@
 ## TODO
 Known bugs:
 - [X] File format issues when Track 2 data exists but Track 1 is left empty; doesn't seem to be setting the Track 2 field with anything (doesn't overwrite existing data). However, `flipper_format_read_string()` doesn't seem to return `false`. Is the bug in my code, or with `flipper_format`?
-  - [X] Review how it's done in [unirfremix (Sub-GHz Remote)](https://github.com/DarkFlippers/unleashed-firmware/blob/dev/applications/main/unirfremix/unirfremix_app.c), as IIRC that can handle empty keys, despite using the `flipper_format` lib for parsing.
+  - [X] Review how it's done in unirfremix (Sub-GHz Remote), as IIRC that can handle empty keys, despite using the `flipper_format` lib for parsing.
 - [X] Attempting to play a track that doesn't have data results in a crash (as one might expect). Need to lock out users from selecting empty tracks in the config menu or do better error handling (*Doesn't crash now, but still should probably prevent users from being able to select*)
 - [ ] Custom text input scene with expanded characterset (Add Manually) has odd behavior when navigating the keys near the numpad
 

magspoof/README.md

@@ -14,7 +14,7 @@ This app ports the original MagSpoof project to the Flipper Zero, adding file ma
 
 ## TX Module
 The GPIO module is a simple electromagnet consisting of an H-bridge, a capacitor, and a coil. One can build the pictured circuit, or purchase a MagSpoof board from the community. There is no "official board", but the following are popular choices:
-- [Rabbit-Labs'](https://www.rabbit-labs.com/) [Multi Pass MagSpoof](https://www.rabbit-labs.com/product/rabbit-labs-multi-pass-magspoof-flipper-board/5)
+- [Rabbit-Labs'](https://www.rabbit-labs.com/) [Multi Pass MagSpoof](https://rabbit-labs.com/product/rabbit-labs-multi-pass-magspoof-flipper-board/)
 - [astro's](https://cyberpa.ws/) [flipspoof](https://www.tindie.com/products/astrowave/flipper-zero-magspoof-module/)
 - [Electronic Cats'](https://electroniccats.com) [Magspoof](https://electroniccats.com/store/flipper-add-on-magspoof/) and [Marauder_Spoof](https://electroniccats.com/store/flipper-add-on-marauder_spoof/)