Documentation reorganization

Move all documentation to docs/ and add a couple of layout/styling
files to customize the appearance when the documentation is
published on GitHub pages

ODrive_Workspace.code-workspace

@@ -5,6 +5,9 @@
 		},
 		{
 			"path": "tools"
+		},
+		{
+			"path": "docs"
 		}
 	],
 	"settings": {
@@ -41,4 +44,4 @@
 			"algorithm": "cpp"
 		}
 	}
-}
+}