major config rebuild using once cell. added ability to use .env.

site/src/models.rs

@@ -0,0 +1,13 @@
+use diesel::prelude::*;
+use chrono;
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = crate::schema::posts)]
+#[diesel(check_for_backend(diesel::pg::Pg))]
+pub struct Post {
+    pub id: i32,
+    pub title: String,
+    pub body: String,
+    pub published: bool,
+    pub publish_date: chrono::Timestamp
+}