feat: initial commit

- add modules
- add config
- add environments
- add .gitignore
- add makefile

Wire up config.hcl, variables, and terragrunt inputs for all new types.

config/remote_rpm/epel.yaml

@@ -0,0 +1,11 @@
+base_url: https://gsl-syd.mm.fcix.net/epel
+description: EPEL (Extra Packages for Enterprise Linux)
+immutable_ttl: 0
+mutable_ttl: 7200
+immutable_patterns:
+  - ".*/Everything/x86_64/.*\\.rpm$"
+  - ".*/noarch/.*\\.rpm$"
+  - ".*/repodata/.*\\.sqlite.*$"
+  - ".*/repodata/.*\\.xml.*$"
+  - ".*/repodata/.*\\.yaml.*$"
+  - "RPM-GPG-KEY-.*$"