feat: initialize thoughts-frontend with Next.js, TypeScript, and ESLint

- Add ESLint configuration for Next.js and TypeScript support.
- Create Next.js configuration file with standalone output option.
- Initialize package.json with scripts for development, build, and linting.
- Set up PostCSS configuration for Tailwind CSS.
- Add SVG assets for UI components.
- Create TypeScript configuration for strict type checking and module resolution.

thoughts-backend/models/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "models"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+name = "models"
+path = "src/lib.rs"
+
+[dependencies]
+serde = { workspace = true }
+serde_json = { workspace = true }
+sea-orm = { workspace = true, features = [
+  "sqlx-postgres",
+  "sqlx-sqlite",
+  "runtime-tokio-rustls",
+  "macros",
+] }
+validator = { workspace = true, features = ["derive"] }
+utoipa = { workspace = true }