Restructure Sass files

- Consolidate all bootstrap partials
- Combine all vendor overrides with BMC custom styles
- Updated paths for Vuepress docs

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I1a9f68bdf90edae0d1e38f36ac670bf6426ec8a5
diff --git a/src/assets/styles/bmc/helpers/_index.scss b/src/assets/styles/bmc/helpers/_index.scss
new file mode 100644
index 0000000..e4abf9c
--- /dev/null
+++ b/src/assets/styles/bmc/helpers/_index.scss
@@ -0,0 +1,3 @@
+@import "./colors";
+@import "./motion";
+@import "./variables";
\ No newline at end of file