Add php-llm/llm-chain-bundle (#1762)

* Add recipe for php-llm/llm-chain-bundle

* Update manifest.json

* Use null instead of ~

---------

Co-authored-by: Fabien Potencier <fabien@potencier.org>

php-llm/llm-chain-bundle/0.16/config/packages/llm_chain.yaml

@@ -0,0 +1,23 @@
+# config/packages/llm_chain.yaml
+services:
+    _defaults:
+        autowire: true
+        autoconfigure: true
+
+    PhpLlm\LlmChain\Chain\ToolBox\Tool\Clock: null
+
+llm_chain:
+    platform:
+        openai:
+            api_key: '%env(OPENAI_API_KEY)%'
+
+    chain:
+        default:
+            platform: 'llm_chain.platform.openai'
+            model:
+                name: 'GPT'
+                version: 'gpt-4o-mini'
+            system_prompt: |
+                You are a helpful assistant and you can provide the current date and time.
+            tools:
+                - 'PhpLlm\LlmChain\Chain\ToolBox\Tool\Clock'

php-llm/llm-chain-bundle/0.16/manifest.json

@@ -0,0 +1,11 @@
+{
+    "bundles": {
+        "PhpLlm\\LlmChainBundle\\LlmChainBundle": ["all"]
+    },
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "env": {
+        "OPENAI_API_KEY": ""
+    }
+}