Wrote first draft of sections database scheme

src/schema.rs

@@ -1,3 +1,13 @@
+table! {
+    posts (id) {
+        id -> Uuid,
+        section_id -> Uuid,
+        title -> Nullable<Varchar>,
+        publish_date -> Date,
+        content -> Text,
+    }
+}
+
 table! {
     refresh_tokens (token) {
         token -> Bytea,
@@ -7,6 +17,16 @@ table! {
     }
 }
 
+table! {
+    sections (id) {
+        id -> Uuid,
+        title -> Varchar,
+        description -> Nullable<Text>,
+        is_default -> Bool,
+        has_titles -> Bool,
+    }
+}
+
 table! {
     users (id) {
         id -> Uuid,
@@ -17,6 +37,12 @@ table! {
     }
 }
 
+joinable!(posts -> sections (section_id));
 joinable!(refresh_tokens -> users (user_id));
 
-allow_tables_to_appear_in_same_query!(refresh_tokens, users,);
+allow_tables_to_appear_in_same_query!(
+    posts,
+    refresh_tokens,
+    sections,
+    users,
+);