add docs for individual midi processors

src/content/docs/processors/midi/control_change/create.mdx

@@ -0,0 +1,22 @@
+---
+title:  Create MIDI Control Change
+sidebar:
+    label: Create
+    order: 1
+---
+This processor will create a MIDI Control Change message with the specified channel, control number, and control value.
+
+- **type**: `midi.control_change.create`
+- **params**:
+    - **channel**: the MIDI channel 
+    - **control**: the control number
+    - **value**: the control value
+
+### Example
+```yaml
+- type: midi.control_change.create
+  params:
+    channel: "1"
+    control: "64"
+    value: "127"
+``` 

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

@@ -1,16 +0,0 @@
----
-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/note_off/create.mdx

@@ -0,0 +1,22 @@
+---
+title:  Create MIDI Note On
+sidebar:
+    label: Create
+    order: 1
+---
+This processor will create a MIDI Note On message with the specified channel, note, and velocity.
+
+- **type**: `midi.note_on.create`
+- **params**:
+    - **channel**: the MIDI channel 
+    - **note**: the note number
+    - **velocity**: the velocity
+
+### Example
+```yaml
+- type: midi.note_on.create
+  params:
+    channel: "1"
+    note: "60"
+    velocity: "127"
+```

src/content/docs/processors/midi/note_on/create.mdx

@@ -0,0 +1,22 @@
+---
+title:  Create MIDI Note Off
+sidebar:
+    label: Create
+    order: 1
+---
+This processor will create a MIDI Note Off message with the specified channel, note, and velocity.
+
+- **type**: `midi.note_off.create`
+- **params**:
+    - **channel**: the MIDI channel 
+    - **note**: the note number
+    - **velocity**: the velocity
+
+### Example
+```yaml
+- type: midi.note_off.create
+  params:
+    channel: "1"
+    note: "60"
+    velocity: "127"
+```

src/content/docs/processors/midi/program_change/create.mdx

@@ -0,0 +1,20 @@
+---
+title:  Create MIDI Prgoram Change
+sidebar:
+    label: Create
+    order: 1
+---
+This processor will create a MIDI Program Change message with the specified channel and program number.
+
+- **type**: `midi.program_change.create`
+- **params**:
+    - **channel**: the MIDI channel 
+    - **program**: the program number
+
+### Example
+```yaml
+- type: midi.program_change.create
+  params:
+    channel: "1"
+    program: "10"
+```