Prototype with single host server and no admin panel (#2)

Reviewed-on: wrenn/sandbox#2
Co-authored-by: pptx704 <rafeed@omukk.dev>
Co-committed-by: pptx704 <rafeed@omukk.dev>

envd/spec/buf.gen.yaml

@@ -0,0 +1,15 @@
+version: v2
+plugins:
+  - protoc_builtin: go
+    out: ../internal/services/spec
+    opt: paths=source_relative
+  - local: protoc-gen-connect-go
+    out: ../internal/services/spec
+    opt: paths=source_relative
+inputs:
+  - directory: ../../proto/envd
+managed:
+  enabled: true
+  override:
+    - file_option: go_package_prefix
+      value: git.omukk.dev/wrenn/sandbox/envd/internal/services/spec