Review and add HolonicSystems-Free at version 0.6.0. #525

.gitmodules

@@ -267,3 +267,6 @@
 [submodule "repos/STS"]
 	path = repos/STS
 	url = https://github.com/SmallTownSound/STS.git
+[submodule "repos/HolonicSystems-Free"]
+	path = repos/HolonicSystems-Free
+	url = https://github.com/hdavid/VCVRack-Holon.ist.git

manifests/HolonicSystems-Free.json

@@ -0,0 +1,11 @@
+{
+  "name": "Holonic Systems - Free",
+  "author": "Holonic Systems",
+  "license": "CC0-1.0",
+  "pluginUrl": "https://github.com/hdavid/VCVRack-Holon.ist",
+  "authorUrl": "https://holonic.systems/",
+  "authorEmail": "henri@holonic.systems",
+  "manualUrl": "https://github.com/hdavid/VCVRack-Holon.ist/blob/master/README.md",
+  "sourceUrl": "https://github.com/hdavid/VCVRack-Holon.ist.git",
+  "repoVersion": "0.6.0"
+}

repos/HolonicSystems-Free

@@ -0,0 +1 @@
+Subproject commit 22e390ca9440e45ec0d01f0d32d06f197006c4a4