move profile components to separated namespace

src/profile/identity/database.rs

@@ -0,0 +1,21 @@
+use sqlite::{Error, Transaction};
+
+pub struct Table {
+    pub id: i64,
+    //pub profile_id: i64,
+}
+
+pub fn init(tx: &Transaction) -> Result<usize, Error> {
+    tx.execute(
+        "CREATE TABLE IF NOT EXISTS `profile_identity`
+        (
+            `id`          INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+            `profile_id`  INTEGER NOT NULL,
+            `time`        INTEGER NOT NULL,
+            `name`        VARCHAR(255),
+            `certificate` TEXT NOT NULL,
+            `key`         TEXT NOT NULL
+        )",
+        [],
+    )
+}