Implement CSV reader

.gitignore

@@ -1 +1,2 @@
 src/constants.py
+data

src/database.py

@@ -0,0 +1,15 @@
+from csv import DictReader
+
+
+def find_user(reader, id):
+    for row in reader:
+        if row["numero_de_documento"] == id or row["correo_institucional"] == id:
+            return row
+    raise Exception("Error: User not found")
+
+
+def search_csv(filepath, id):
+    with open(filepath) as csvfile:
+        reader = DictReader(csvfile)
+        user = find_user(reader, id)
+        return user