Merge pull request #158 from austin987/submodule

.gitmodules: add missing file

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "resources/InstallResources/fonts/source-code-pro"]
+	path = resources/InstallResources/fonts/source-code-pro
+	url = https://github.com/adobe-fonts/source-code-pro/