Resolve "feat: create cdo dark theme"

Closes #2 (closed)

about.json

+{
+  "name": "CDD Colors",
+  "about_url": "https://lab.frogg.it/lydra/discourse/discourse-cdd-colors",
+  "license_url": "",
+  "color_schemes": {
+    "CDD Light": {
+      "primary": "222222",
+      "secondary": "ffffff",
+      "tertiary": "B38A58",
+      "quaternary": "4D7298",
+      "primary-medium": "293348",
+      "primary-low-mid": "4D7298",
+      "header_background": "293348",
+      "header_primary": "f7f7f7",
+      "highlight": "FFCF64",
+      "danger": "e45735",
+      "success": "009900",
+      "love": "fa6c8d"
+    }, 
+    "CDD Dark": {
+      "primary": "dddddd",
+      "secondary": "222222",
+      "tertiary": "4D7298",
+      "quaternary": "B38A58",
+      "primary-medium": "B38A58",
+      "primary-low-mid": "4D7298",
+      "header_background": "B38A58",
+      "header_primary": "18191a",
+      "highlight": "B38A58",
+      "danger": "e45735",
+      "success": "86BAA1",
+      "love": "fa6c8d"
+    }
+  },
+  "components": ["https://lab.frogg.it/lydra/discourse/discourse-cdd-fonts.git"]
+}