add layout for remaining processors/modules and order everything

src/content/docs/processors/midi/message/create.md

@@ -0,0 +1,16 @@
+---
+title:  Create MIDI Message
+sidebar:
+    label: Create
+    order: 1
+---
+
+- **type**: `midi.message.create`
+- **params**:
+    - **type**
+    - **channel**
+    - **note**
+    - **velocity**
+    - **program**
+    - **control**
+    - **value**

src/content/docs/processors/midi/message/decode.md

@@ -0,0 +1,8 @@
+---
+title: Decode MIDI Message
+sidebar:
+    label: Decode
+    order: 3
+---
+
+- **type**: `midi.message.decode`

src/content/docs/processors/midi/message/encode.md

@@ -0,0 +1,8 @@
+---
+title: Encode MIDI Message
+sidebar:
+    label: Encode
+    order: 2
+---
+
+- **type**: `midi.message.encode`

src/content/docs/processors/midi/message/unpack.md

@@ -0,0 +1,8 @@
+---
+title: Unpack MIDI Message
+sidebar:
+    label: Unpack
+    order: 4
+---
+
+- **type**: `midi.message.unpack`