Add Bridge page

Bridge.md

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+# VCV Bridge
+
+Rack is a standalone DAW-like application and not a VST/AU plugin because of the major limitations of these formats.
+It is common to think of physical modular synthesizers as entire self-contained DAWs, and many people use Rack as a complete DAW to compose music and build patches without other software.
+
+However, *VCV Bridge* allows audio and MIDI to be transferred between Rack and your DAW through the included VST/AU Bridge plugin.
+Currently VCV Bridge is only a VST/AU effect plugin (Mac and 32/64-bit Windows) for using Rack as a send/return on a DAW track.
+
+*Note: VSTi/AU instrument plugins, MIDI, and DAW clock transport are coming soon in a later Rack 0.6.x update.*
+
+The setup order between Rack and your DAW does not matter.
+
+### Setting up Bridge in Rack
+
+- Add an Audio or MIDI module to Rack from the [Core](Core.md) plugin, and select "Bridge" from the driver dropdown list.
+- Open the device menu to select the Bridge port.
+
+Up to 8 channels of audio entering the Bridge effect plugin are routed to the INPUT section of the Audio module in Rack and then back to the effect plugin.
+
+The 16 automation parameters in the VST/AU Bridge plugin simply generate MIDI-CC messages 0-15, so you can use a [Core MIDI-CC](Core.md#midi-cc) interface to convert them to 0-10 V signals in Rack.
+
+### Setting up Bridge in your DAW
+
+- Make sure the VST or AU Bridge plugin is installed, and launch your DAW.
+- Add the "VCV Bridge" effect plugin to an audio track.
+- Open the plugin parameters (e.g. by clicking the plugin's triangle arrow in Ableton Live) to reveal the Bridge port setting and 16 automation parameters.
+
+#### Ableton Live
+TODO
+
+#### Cubase
+TODO
+
+#### FL Studio
+TODO
+
+#### Propellerhead Reason
+TODO
+
+#### REAPER
+TODO