Store docker, conda, semantic-search configuration in a config directory

- Improves organization of config files required for application
- Declutters the application root directory from configs

config/environment.yml

@@ -0,0 +1,20 @@
+name: semantic-search
+channels:
+  - conda-forge
+dependencies:
+  - python=3.*
+  - numpy=1.*
+  - pytorch=1.*
+  - transformers=4.*
+  - sentence-transformers=2.1.0
+  - fastapi=0.*
+  - uvicorn=0.*
+  - pyyaml=5.*
+  - pytest=6.*
+  - pillow=8.*
+  - torchvision=0.*
+  - openai=0.*
+  - pydantic=1.*
+  - jinja2=3.0.*
+  - aiofiles=0.*
+  - huggingface_hub=0.*