chore: add .catalog

.catalog/CHANGELOG.md

@@ -0,0 +1,44 @@
+## 2.1
+  - New tunings
+    - Guitar 6 strings
+      - DADGAD
+      - C#G#C#F#G#C#
+      - CGCFGC
+    - Guitar 7 strings
+      - Standard A
+    - Bass 4 strings
+      - Drop C#
+      - Drop C
+  - UI improvements
+    - Display note names
+
+## 2.0
+  - New structure
+    - Instruments
+    - Variations
+    - Tunings
+    - Notes
+  - New tunings
+    - Banjo 5 strings, Cigar Box 3 and 4 strings by @GrafOrlok
+  - UI improvements
+
+## 1.3
+  - Sync updates from @xMasterX
+  - New tunings
+    - Ukulele by @portalsoup
+  - Bug fixes
+
+## 1.2
+  - Sync updates and latest API support
+
+## 1.1
+  - Various important fixes
+
+## 1.0.2 (2022-11-01)
+  - Latest API support
+
+## 1.0.1 (2022-10-18)
+  - Latest API support
+
+## 1.0 (2022-10-13)
+  - Initial release

.catalog/README.md

@@ -0,0 +1,9 @@
+# Tuning Fork
+
+Tuning fork for tuning musical instruments and more
+
+## Controls
+
+- Left/Right, Select, Back for navigation
+- Up/Down for volume control
+- Play/Stop for playing a note

README.md

@@ -4,14 +4,6 @@ Tuning fork for tuning musical instruments and more
 
 ![tuning_fork](img/tuning_fork.gif)
 
-## Usage
-
-Use Left/Right, Select, Back for navigation
-
-Use Up/Down for volume control
-
-Use Play/Stop for playing a note
-
 ## Tunings
  - Guitar
     - 6 strings: Standard, Drop D, DADGAD (Dsus4), Standard D, C#G#C#F#G#C# (C#sus4), Drop C, CGCFGC