refactor: Use haumea for filesystem-based module system for flake outputs

refactor: Use hyphen(`-`) for variable names & folder names(except Python), replace all unserscore(`_`) with hyphen(`-`).

hosts/idols-kana/homepage/config/widgets.yaml

@@ -0,0 +1,21 @@
+# TODO: add access to kubernetes cluster
+# - kubernetes:
+#     cluster:
+#       show: true
+#       cpu: true
+#       memory: true
+#       showLabel: true
+#       label: "cluster"
+#     nodes:
+#       show: true
+#       cpu: true
+#       memory: true
+#       showLabel: true
+# - resources:
+#     backend: resources
+#     expanded: true
+#     cpu: true
+#     memory: true
+- search:
+    provider: google
+    target: _blank