Clean up old file, add to README

examples/rocket_example/README.md

@@ -1,3 +1,6 @@
 # Rocket with SeaOrm example app
 
-`cargo run` in the `rocket_example` folder
+- modify the `url` var in `Rocket.toml` to point to your chosen database
+- turn on the appropriate database feature for your chosen db in `Cargo.toml`
+- `cargo run` to start the server
+- open browser to the address shown in `🚀 Rocket has launched from ` line

examples/rocket_example/db/sqlx/migrations/20210331024424_create-posts-table.sql

@@ -1,6 +0,0 @@
-CREATE TABLE posts (
-    id INTEGER PRIMARY KEY AUTOINCREMENT,
-    title VARCHAR NOT NULL,
-    text VARCHAR NOT NULL,
-    published BOOLEAN NOT NULL DEFAULT 0
-);