feat: use langchain (#99)

* chore(deps): bump the npm_and_yarn group with 2 updates (#97)

Bumps the npm_and_yarn group with 2 updates: [cookie](https://github.com/jshttp/cookie) and [youch](https://github.com/poppinss/youch).


Updates `cookie` from 0.5.0 to 0.7.2
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.5.0...v0.7.2)

Updates `youch` from 3.3.3 to 3.3.4
- [Release notes](https://github.com/poppinss/youch/releases)
- [Changelog](https://github.com/poppinss/youch/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/poppinss/youch/commits)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: youch
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* feat: post article api

* feat: search from my article

* docs: add;

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.gitignore

@@ -171,3 +171,5 @@ dist
 .dev.vars
 .wrangler/
 wrangler.toml
+
+drizzle/

drizzle.config.ts

@@ -0,0 +1,17 @@
+import 'dotenv/config';
+import { defineConfig } from 'drizzle-kit';
+
+export default defineConfig({
+    out: './drizzle',
+    schema: [
+        "./src/llm/schema.ts",
+        // "./src/core/schema.ts",
+    ],
+    dialect: 'sqlite',
+    driver: "d1-http",
+    dbCredentials: {
+        accountId: process.env.CLOUDFLARE_ACCOUNT_ID!,
+        databaseId: process.env.CLOUDFLARE_DATABASE_ID!,
+        token: process.env.CLOUDFLARE_D1_TOKEN!,
+    },
+});