chore: add item template yaml

src-tauri/resources/item_tmp.yaml

+# Profile Template for clash verge
+
+# the profile's name
+name: New Profile
+
+# the description of this profile(optional)
+description:
+
+# proxies defination (optional, the same as clash)
+proxies:
+
+# proxy-groups (optional, the same as clash)
+proxy-groups:
+
+# rules (optional, the same as clash)
+rules: