feat: initial backend store prototype

store/drizzle/0000_dark_squirrel_girl.sql

@@ -0,0 +1,10 @@
+CREATE TABLE "nodes" (
+	"id" serial NOT NULL,
+	"content" "bytea" NOT NULL,
+	"definition" json NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "users" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"name" text
+);

store/drizzle/meta/0000_snapshot.json

@@ -0,0 +1,75 @@
+{
+  "id": "53dea8d7-01be-4983-ac75-9de9c9a7f592",
+  "prevId": "00000000-0000-0000-0000-000000000000",
+  "version": "7",
+  "dialect": "postgresql",
+  "tables": {
+    "public.nodes": {
+      "name": "nodes",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "content": {
+          "name": "content",
+          "type": "bytea",
+          "primaryKey": false,
+          "notNull": true
+        },
+        "definition": {
+          "name": "definition",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": true
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    },
+    "public.users": {
+      "name": "users",
+      "schema": "",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "serial",
+          "primaryKey": true,
+          "notNull": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "policies": {},
+      "checkConstraints": {},
+      "isRLSEnabled": false
+    }
+  },
+  "enums": {},
+  "schemas": {},
+  "sequences": {},
+  "roles": {},
+  "policies": {},
+  "views": {},
+  "_meta": {
+    "columns": {},
+    "schemas": {},
+    "tables": {}
+  }
+}

store/drizzle/meta/_journal.json

@@ -0,0 +1,13 @@
+{
+  "version": "7",
+  "dialect": "postgresql",
+  "entries": [
+    {
+      "idx": 0,
+      "version": "7",
+      "when": 1734446124519,
+      "tag": "0000_dark_squirrel_girl",
+      "breakpoints": true
+    }
+  ]
+}