Fix some typos

static/image/work/poster/40 - Migrar es evolución - 20_11_2017/_metadata.json

@@ -3,6 +3,6 @@
     "priority": 40,
     "year": "2017",
     "category": "poster",
-    "main": "Respeto - 450 x 643 px.jpg",
-    "images": ["Respeto - 696 x 995 px.jpg"]
+    "main": "Respeto - 450 x 643 px.gif",
+    "images": ["Respeto - 696 x 995 px.gif"]
 }

static/image/work/poster/54 - La libertad - 04_11_2018/_metadata.json

@@ -3,6 +3,6 @@
     "priority": 54,
     "year": "2018",
     "category": "poster",
-    "main": "La libertad - 450 x 643 px.jpg",
-    "images": ["La libertad - 696 x 995 px.jpg"]
+    "main": "La libertad I - 450 x 643 px.jpg",
+    "images": ["La libertad I - 696 x 995 px.jpg"]
 }