feat: restructure and move apps into their own configs (#2)

home/programs/aichat.nix

@@ -0,0 +1,62 @@
+{
+  pkgs,
+  lib,
+  device,
+  config,
+  ...
+}: {
+  programs.
+    aichat = {
+    enable = true;
+    enableFishIntegration = true;
+    enableNushellIntegration = false;
+    settings = {
+      save_session = true;
+      model = "openai:gpt-4o";
+      rag_embedding_model = "ollama:RobinBially/nomic-embed-text-8k";
+      clients = [
+        {
+          type = "openai-compatible";
+          name = "llama";
+          api_base = "https://llama.darksailor.dev/api/v1";
+          api_key_cmd = "cat ${config.sops.secrets."llama/api_key".path}";
+          models = [
+            {
+              name = "qwen_2_5_1";
+            }
+          ];
+        }
+        {
+          type = "openai-compatible";
+          name = "ollama";
+          api_base = "https://llama.darksailor.dev/api/ollama/v1";
+          api_key_cmd = "cat ${config.sops.secrets."llama/api_key".path}";
+          models = [
+            {
+              name = "RobinBially/nomic-embed-text-8k";
+              type = "embedding";
+              default_chunk_size = 8000;
+            }
+            {
+              name = "mistral";
+            }
+          ];
+        }
+        {
+          type = "openai";
+          name = "openai";
+          api_base = "https://api.openai.com/v1";
+          api_key_cmd = "cat ${config.sops.secrets."openai/api_key".path}";
+          models = [
+            {
+              name = "gpt-3.5-turbo";
+            }
+            {
+              name = "gpt-4o";
+            }
+          ];
+        }
+      ];
+    };
+  };
+}