feat: auto-increment sale invoice, receipt, estimate and payment receive.

feat: style sales and purchases forms.

client/src/style/pages/estimates.scss

@@ -3,5 +3,57 @@
 
   #{$self}__header{
     
+    .bp3-form-group{
+      margin-bottom: 18px;
+    }
+    .bp3-label{
+      min-width: 140px;
+    }
+
+    .bp3-form-content{
+      width: 100%;
+    }
+
+    .bp3-form-group{
+      &.bp3-inline{
+        max-width: 420px; 
+      }
+    }
+
+    .bp3-form-group{
+
+      &.form-group{
+
+        &--customer{
+          max-width: 650px;
+        }
+
+        &--expiration-date{
+          max-width: 340px;
+
+          .bp3-label{
+            min-width: 120px;
+          }
+        }
+      }
+    }
+
+    .col--estimate-date{
+      max-width: 435px;
+    }
+  }
+
+
+  #{$self}__footer{
+    .form-group--customer_note,
+    .form-group--terms_conditions{
+      max-width: 450px;
+      width: 100%;
+
+      textarea{
+        width: 100%;
+        min-height: 50px;
+      }
+    }
   }
 }