Setup PawPaw and let it be used for CI extra deps (#93)

* Setup PawPaw and let it be used for CI extra deps

* Fix ci file

* Update readme

* Fix a typo

* Fix another typo

* Let PawPaw handle the build setup/env

* Fix typo

* One more fix

* Update AudibleInstruments

Signed-off-by: falkTX <falktx@falktx.com>

* Cleanup/Improve CardinalModuleWidget hackery

Signed-off-by: falkTX <falktx@falktx.com>

* Use LTO in PawPaw, fix build setup again

Signed-off-by: falkTX <falktx@falktx.com>

* Install libglib2.0-dev on CI static builds; Fix Prism conflicts

Signed-off-by: falkTX <falktx@falktx.com>

* Investigate why CI fails to install arch ports

Signed-off-by: falkTX <falktx@falktx.com>

* Ignore glib/fluidsynth for now

Signed-off-by: falkTX <falktx@falktx.com>

* Cleanup

Signed-off-by: falkTX <falktx@falktx.com>

* Fix a typo

Signed-off-by: falkTX <falktx@falktx.com>

* Fix another typo

Signed-off-by: falkTX <falktx@falktx.com>

* Use -m32 in linux-i686 builds

Signed-off-by: falkTX <falktx@falktx.com>

* Try using g++-multilib instead of g++-i686-linux-gnu

Signed-off-by: falkTX <falktx@falktx.com>

* Force fix macOS build

* Use shasum5.28

.gitmodules

@@ -121,3 +121,6 @@
 [submodule "plugins/21kHz"]
 	path = plugins/21kHz
 	url = https://github.com/netboy3/21kHz-rack-plugins.git
+[submodule "deps/PawPaw"]
+	path = deps/PawPaw
+	url = https://github.com/DISTRHO/PawPaw.git