Commit SQLs to file for vss-rust.

Author: G8XSU

rust/impls/src/postgres/sql/v0_create_vss_db.sql

@@ -0,0 +1,10 @@
+CREATE TABLE vss_db (
+    user_token character varying(120) NOT NULL CHECK (user_token <> ''),
+    store_id character varying(120) NOT NULL CHECK (store_id <> ''),
+    key character varying(600) NOT NULL,
+    value bytea NULL,
+    version bigint NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE,
+    last_updated_at TIMESTAMP WITH TIME ZONE,
+    PRIMARY KEY (user_token, store_id, key)
+);