chore: add devcontainer config (#4974)

Co-authored-by: Reese <3253971+figadore@users.noreply.github.com>

.devcontainer/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# This is a script used by the devcontainer to build the project
+
+#Enable yarn
+corepack enable
+corepack prepare yarn@stable --activate
+
+# install dependencies
+yarn install
+
+# Create database
+yarn workspace @affine/server prisma db push