Add todo.md

todo.md

@@ -0,0 +1,19 @@
+- detect network up / network down
+- detect registry down based on the target URL, so that you don't need to wait so long
+- add support for fallback registries
+- add support for alternative targets:
+  - URLs ad dependencies (tarball target)
+  - Git URLs as dependencies
+    - git://github.com/user/project.git#commit-ish
+    - git+ssh://user@hostname:project.git#commit-ish
+    - git+ssh://user@hostname/project.git#commit-ish
+    - git+http://user@hostname/project/blah.git#commit-ish
+    - git+https://user@hostname/project/blah.git#commit-ish
+  - GitHub URLs
+    - user/foo-project
+
+- more robust caching
+  - during startup, iterate over cache content and list it
+  - use minitask.cache for caching
+  - allow querying cache by MD5 hash to avoid wasting disk space
+  - make the cache use the first two chars to split files into folders to avoid issues with really large folders