Add environment example

.env.example

@@ -0,0 +1,27 @@
+DUCK_LLAMA_SERVER_BIN=./vendor/llama.cpp/build/bin/llama-server
+DUCK_MAIN_MODEL_PATH=./models/Qwen3.6/nonMTP/Qwen3.6-35B-A3B-UD-Q4_K_M.gguf
+DUCK_MTP_MODEL_PATH=./models/Qwen3.6/MTP/Qwen3.6-35B-A3B-MTP-UD-Q4_K_M.gguf
+
+DUCK_MAIN_PORT=8081
+DUCK_MAIN_MTP_PORT=8085
+DUCK_CTX_SIZE=4096
+DUCK_N_GPU_LAYERS=20
+DUCK_PARALLEL=1
+DUCK_LLAMA_DEVICE=Vulkan0
+DUCK_LLAMA_EXTRA_ARGS="--reasoning-budget 512 --cache-ram 0"
+DUCK_HOST=127.0.0.1
+
+DUCK_API_HOST=127.0.0.1
+DUCK_API_PORT=8000
+
+DUCK_WORKSPACE=./workspace
+DUCK_DB_PATH=./data/duck.sqlite3
+
+DUCK_MAX_INPUT_TOKENS=49152
+DUCK_MAX_RECENT_EVENTS_TOKENS=12000
+DUCK_MAX_MEMORY_TOKENS=8000
+DUCK_MAX_SKILL_TOKENS=6000
+
+QDRANT_URL=http://127.0.0.1:6333
+
+DUCK_SKIP_LIVE_LLM_TESTS=0