Issue #75: Add scheme from a market example

Foi criado arquivos no formato yaml contendo informações de um mercado. Podendo ser utilizado nos testes ou na emulação do blendb para servir como exemplo de utilização.

Signed-off-by: Rafael rpd17@inf.ufpr.br

config/market_dimensions.yaml.example

+-
+    name: "dim:seller:sex"
+    dataType: "enumtype"
+    enumType: "enumsex"
+    description: "Sexual orientation of the seller from market"
+-
+    name: "dim:seller:cpf"
+    dataType: "string"
+    description: "CPF of the seller from market"
+-
+    name: "dim:seller:id"
+    dataType: "integer"
+    description: "id of the seller from market"
+-
+    name: "dim:product:name"
+    dataType: "string"
+    description: "Name of the product from market"    
+-
+    name: "dim:product:validity"
+    dataType: "date"
+    description: "Validity of the product from market"
+-
+    name: "dim:product:id"
+    dataType: "integer"
+    description: "id of the product from market"   
+- 
+    name: "dim:client:name"
+    dataType: "string"
+    description: "Name of the client from market"
+- 
+    name: "dim:client:cpf"
+    dataType: "string"
+    description: "CPF of the client from market"
+- 
+    name: "dim:client:id"
+    dataType: "integer"
+    description: "id of the client from market"
+-
+    name: "dim:sell:registered"
+    dataType: "boolean"
+    description: "Check if the client is registered"    
+-         
+    name: "dim:sell:product.id"
+    dataType: "integer"
+    description: "id of the product from market"    
+-
+    name: "dim:sell:seller.id"
+    dataType: "integer"
+    description: "id of the seller from market"    
+-
+    name: "dim:sell:client.id"
+    dataType: "integer"
+    description: "id of the client from market"
+-
+    name: "dim:sell:datein"
+    dataType: "date"
+    description: "Date of the sell was realized"    
+-
+    name: "dim:buyout:datein"
+    dataType: "date"
+    description: "Date of the buyout was realized"     
+-
+    name: "dim:buyout:provider.id"
+    dataType: "integer"
+    description: "id of the provider from market"    
+-
+    name: "dim:buyout:product.id"
+    dataType: "integer"
+    description: "id of the product from market"    
+-
+    name: "dim:provider:name"
+    dataType: "string"
+    description: "Name of the provider from market"    
+-
+    name: "dim:provider:id"
+    dataType: "integer"
+    description: "id of the provider from market"    
+-
+    name: "dim:distribute:provider.id"
+    dataType: "string"
+    description: "id of the provider from market"    
+-
+    name: "dim:distribute:product.id"
+    dataType: "string"
+    description: "id of the product from market"