Add --no-cache option in lume pull

[aktech]

This implements #66

[aktech]

Works fine:

With "noCache": false

[2025-03-24T19:45:20Z] INFO: Parsed request method=POST path=/lume/pull body={
    "image": "macos-sequoia-vanilla:latest",
    "name": "my-vm-name",
    "registry": "ghcr.io",
    "organization": "trycua",
    "noCache": false
  } headers=["Host": "localhost:3000", "User-Agent": "curl/8.7.1", "Content-Length": "154", "Accept": "*/*", "Content-Type": "application/json"]
[2025-03-24T19:45:20Z] INFO: Pulling image registry=ghcr.io image=macos-sequoia-vanilla:latest name=my-vm-name organization=trycua
[2025-03-24T19:45:20Z] INFO: Getting registry authentication token
[2025-03-24T19:45:20Z] INFO: Fetching Image manifest
[2025-03-24T19:45:21Z] INFO: Pulling image repository=macos-sequoia-vanilla manifest_id=sha256_76f244a3090566b02220da75b66c6239e44550b6b06537ca39b1939ccdb0735d
[2025-03-24T19:45:21Z] INFO: Checking cache for manifest ID: sha256_76f244a3090566b02220da75b66c6239e44550b6b06537ca39b1939ccdb0735d
[2025-03-24T19:45:21Z] INFO: Checking for old versions of image to clean up image=macos-sequoia-vanilla current_manifest_id=sha256_76f244a3090566b02220da75b66c6239e44550b6b06537ca39b1939ccdb0735d
[2025-03-24T19:45:21Z] INFO: Cache miss or invalid cache, setting up new cache
[2025-03-24T19:45:21Z] INFO: Total download size: 42.98 GB
[2025-03-24T19:45:21Z] INFO: Processing Image layers
[2025-03-24T19:45:21Z] INFO: This may take several minutes depending on the image size and your internet connection. Please wait...
[2025-03-24T19:45:36Z] INFO: Downloading Image Progress: 1%
[2025-03-24T19:45:39Z] INFO: Downloading Image Progress: 2%
[2025-03-24T19:45:48Z] INFO: Downloading Image Progress: 3%
[2025-03-24T19:45:49Z] INFO: Downloading Image Progress: 4%

With "noCache": true

(and checked ~/.lume/cache/ghcr/trycua, was empty)

[2025-03-24T19:40:42Z] INFO: Parsed request method=POST body={
    "image": "macos-sequoia-vanilla:latest",
    "name": "my-vm-name",
    "registry": "ghcr.io",
    "organization": "trycua",
    "noCache": true
  } path=/lume/pull headers=["Content-Length": "153", "Host": "localhost:3000", "Content-Type": "application/json", "User-Agent": "curl/8.7.1", "Accept": "*/*"]
[2025-03-24T19:40:42Z] INFO: Pulling image organization=trycua name=my-vm-name registry=ghcr.io image=macos-sequoia-vanilla:latest
[2025-03-24T19:40:42Z] INFO: Getting registry authentication token
[2025-03-24T19:40:43Z] INFO: Fetching Image manifest
[2025-03-24T19:40:43Z] INFO: Pulling image repository=macos-sequoia-vanilla manifest_id=sha256_76f244a3090566b02220da75b66c6239e44550b6b06537ca39b1939ccdb0735d
[2025-03-24T19:40:43Z] INFO: Checking cache for manifest ID: sha256_76f244a3090566b02220da75b66c6239e44550b6b06537ca39b1939ccdb0735d
[2025-03-24T19:40:43Z] INFO: Skipping cache setup due to noCache option
[2025-03-24T19:40:43Z] INFO: Total download size: 42.98 GB
[2025-03-24T19:40:43Z] INFO: Processing Image layers
[2025-03-24T19:40:43Z] INFO: This may take several minutes depending on the image size and your internet connection. Please wait...
[2025-03-24T19:40:54Z] INFO: Downloading Image Progress: 1%
[2025-03-24T19:41:07Z] INFO: Downloading Image Progress: 2%
[2025-03-24T19:41:15Z] INFO: Downloading Image Progress: 3%
[2025-03-24T19:41:17Z] INFO: Downloading Image Progress: 4%

Same for the CLI.