add handler, html templates, Makefile and migrations

migrations/1_create_tables.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE comments;
+DROP TABLE posts;
+DROP TABLE threads;

migrations/1_create_tables.up.sql

@@ -0,0 +1,20 @@
+CREATE TABLE threads (
+    id UUID PRIMARY KEY,
+    title TEXT NOT NULL,
+    description TEXT NOT NULL
+);
+
+CREATE TABLE posts (
+    id UUID PRIMARY KEY,
+    thread_id UUID NOT NULL REFERENCES threads(id) ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    content TEXT NOT NULL,
+    votes INT NOT NULL
+);
+
+CREATE TABLE comments (
+    id UUID PRIMARY KEY,
+    post_id UUID NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+    content TEXT NOT NULL,
+    votes INT NOT NULL
+);