Add boto3 dependency and update exercise/machine assets

- Added boto3 as a dependency in pyproject.toml and uv.lock.
- Introduced multiple new exercise images in various formats (jpg, webp, avif, png).
- Added new machine images to enhance the workout assets library.

services/logic/pyproject.toml

@@ -4,6 +4,7 @@ version = "0.1.0"
 requires-python = ">=3.14"
 dependencies = [
   "alembic>=1.16.0",
+  "boto3>=1.38.23",
   "fastapi[standard]>=0.115.12",
   "psycopg[binary]>=3.2.9",
   "pydantic-settings>=2.9.1",