Add project files:

- Add database initialization scripts
- Add configuration files
- Add documentation
- Add public assets
- Add source code structure
- Update README

src/config/env.ts

@@ -0,0 +1,68 @@
+import { config } from 'dotenv';
+import { z } from 'zod';
+
+config();
+
+// Define the environment schema
+const envSchema = z.object({
+  PORT: z.string().default('3000'),
+  NODE_ENV: z.string().default('development'),
+  SUPABASE_URL: z.string(),
+  SUPABASE_KEY: z.string(),
+  OLLAMA_URL: z.string().default('http://localhost:11434'),
+  OLLAMA_MODEL: z.string().default('llama2'),
+  SEARXNG_URL: z.string().default('http://localhost:4000'),
+  SEARXNG_INSTANCES: z.string().default('["http://localhost:4000"]'),
+  MAX_RESULTS_PER_QUERY: z.string().default('50'),
+  CACHE_DURATION_HOURS: z.string().default('24'),
+  CACHE_DURATION_DAYS: z.string().default('7')
+});
+
+// Define the final environment type
+export interface EnvConfig {
+  PORT: string;
+  NODE_ENV: string;
+  searxng: {
+    currentUrl: string;
+    instances: string[];
+  };
+  ollama: {
+    url: string;
+    model: string;
+  };
+  supabase: {
+    url: string;
+    anonKey: string;
+  };
+  cache: {
+    maxResultsPerQuery: number;
+    durationHours: number;
+    durationDays: number;
+  };
+}
+
+// Parse and transform the environment variables
+const rawEnv = envSchema.parse(process.env);
+
+// Create the final environment object with parsed configurations
+export const env: EnvConfig = {
+  PORT: rawEnv.PORT,
+  NODE_ENV: rawEnv.NODE_ENV,
+  searxng: {
+    currentUrl: rawEnv.SEARXNG_URL,
+    instances: JSON.parse(rawEnv.SEARXNG_INSTANCES)
+  },
+  ollama: {
+    url: rawEnv.OLLAMA_URL,
+    model: rawEnv.OLLAMA_MODEL
+  },
+  supabase: {
+    url: rawEnv.SUPABASE_URL,
+    anonKey: rawEnv.SUPABASE_KEY
+  },
+  cache: {
+    maxResultsPerQuery: parseInt(rawEnv.MAX_RESULTS_PER_QUERY),
+    durationHours: parseInt(rawEnv.CACHE_DURATION_HOURS),
+    durationDays: parseInt(rawEnv.CACHE_DURATION_DAYS)
+  }
+};