fix: create tables only if they do not exist

src/db/mod.rs

@@ -2,7 +2,7 @@ use rusqlite::{Connection, Result};
 
 pub fn init(conn: &Connection) -> Result<()> {
     conn.execute(
-        "CREATE TABLE accounts (
+        "CREATE TABLE IF NOT EXISTS accounts (
             id INTEGER PRIMARY KEY,
             username TEXT,
             email TEXT,
@@ -12,7 +12,7 @@ pub fn init(conn: &Connection) -> Result<()> {
     )?;
 
     conn.execute(
-        "CREATE TABLE scripts (
+        "CREATE TABLE IF NOT EXISTS scripts (
             id INTEGER PRIMARY KEY,
             name TEXT,
             last_edit DATETIME DEFAULT CURRENT_TIMESTAMP,