add scss and remove styled component

Taskfile.yml

@@ -12,17 +12,22 @@ dotenv:
   - .env
   - .dev.env
 tasks:
-  be:dev:
+  be:seed:
+    desc: remove db
+    dir: dev/data
+    cmds:
+      - rm -r fuware.db
+  be:
     desc: runs the backend server
     cmds:
       - poetry run python backend/app.py
-  fe:dev:
-    desc: runs the frontend server
-    dir: frontend
-    cmds:
-      - pnpm dev
   fe:i:
     desc: runs the install package
     dir: frontend
     cmds:
       - pnpm i
+  fe:
+    desc: runs the frontend server
+    dir: frontend
+    cmds:
+      - pnpm dev