feat: add local LLM providers configuration (#2050)

Co-authored-by: ForgeCode <noreply@forgecode.dev>
Co-authored-by: Tushar Mathur <tusharmath@gmail.com>

Author: 3 people

crates/forge_repo/src/provider.json

@@ -315,6 +315,51 @@
     "models": "https://{{AZURE_RESOURCE_NAME}}.openai.azure.com/openai/models?api-version={{AZURE_API_VERSION}}",
     "auth_methods": ["api_key"]
   },
+  {
+    "id": "llama_cpp",
+    "api_key_vars": "LLAMA_CPP_API_KEY",
+    "url_param_vars": ["LLAMA_CPP_URL", "LLAMA_CPP_PORT"],
+    "response_type": "OpenAI",
+    "url": "{{LLAMA_CPP_URL}}:{{LLAMA_CPP_PORT}}/v1/chat/completions",
+    "models": "{{LLAMA_CPP_URL}}:{{LLAMA_CPP_PORT}}/v1/models",
+    "auth_methods": ["api_key"]
+  },
+  {
+    "id": "vllm",
+    "api_key_vars": "VLLM_API_KEY",
+    "url_param_vars": ["VLLM_URL", "VLLM_PORT"],
+    "response_type": "OpenAI",
+    "url": "{{VLLM_URL}}:{{VLLM_PORT}}/v1/chat/completions",
+    "models": "{{VLLM_URL}}:{{VLLM_PORT}}/v1/models",
+    "auth_methods": ["api_key"]
+  },
+  {
+    "id": "jan_ai",
+    "api_key_vars": "JAN_AI_API_KEY",
+    "url_param_vars": ["JAN_AI_URL", "JAN_AI_PORT"],
+    "response_type": "OpenAI",
+    "url": "{{JAN_AI_URL}}:{{JAN_AI_PORT}}/v1/chat/completions",
+    "models": "{{JAN_AI_URL}}:{{JAN_AI_PORT}}/v1/models",
+    "auth_methods": ["api_key"]
+  },
+  {
+    "id": "ollama",
+    "api_key_vars": "OLLAMA_API_KEY",
+    "url_param_vars": ["OLLAMA_URL", "OLLAMA_PORT"],
+    "response_type": "OpenAI",
+    "url": "{{OLLAMA_URL}}:{{OLLAMA_PORT}}/v1/chat/completions",
+    "models": "{{OLLAMA_URL}}:{{OLLAMA_PORT}}/v1/models",
+    "auth_methods": ["api_key"]
+  },
+  {
+    "id": "lm_studio",
+    "api_key_vars": "LM_STUDIO_API_KEY",
+    "url_param_vars": ["LM_STUDIO_URL", "LM_STUDIO_PORT"],
+    "response_type": "OpenAI",
+    "url": "{{LM_STUDIO_URL}}:{{LM_STUDIO_PORT}}/v1/chat/completions",
+    "models": "{{LM_STUDIO_URL}}:{{LM_STUDIO_PORT}}/v1/models",
+    "auth_methods": ["api_key"]
+  },
   {
     "id": "forge_services",
     "provider_type": "context_engine",