Add metadata.json

metadata.json

@@ -0,0 +1,33 @@
+{
+  "hdx_name": "central-african-republic-uneca-population-and-migration",
+  "slug": "africa-central-african-republic-uneca-population-and-migration",
+  "source_url": "https://data.humdata.org/dataset/307ad225-0f7b-414d-ab69-1082a0b2264b/resource/692713df-6365-4e2e-8015-503455b0488a/download/central-african-republic-population_and_migration.csv",
+  "license": "cc-by-igo",
+  "organization": "United Nations Economic Commission for Africa",
+  "prep_report": {
+    "original_rows": 42,
+    "original_cols": 49,
+    "dropped_cols": [],
+    "duplicates_removed": 0,
+    "type_casts": {
+      "1970": "numeric",
+      "1971": "numeric",
+      "1972": "numeric",
+      "1973": "numeric",
+      "1974": "numeric",
+      "1975": "numeric",
+      "1976": "numeric",
+      "1977": "numeric",
+      "1978": "numeric",
+      "1979": "numeric",
+      "1980": "numeric",
+      "1981": "numeric",
+      "1990": "numeric",
+      "1995": "numeric",
+      "2000": "numeric"
+    },
+    "final_rows": 42,
+    "final_cols": 51
+  },
+  "processed_at": "2026-04-14T07:32:00.770746"
+}