Merge pull request #4920 from segmentio/DOC-707

added schema doc redirect links

Author: stayseesong

src/connections/sources/schema/destination-data-control.md

@@ -1,5 +1,7 @@
 ---
 title: "Using Schema Controls"
+redirect_from: 
+  - '/connections/destination-data-control/'
 ---
 
 Once you have enabled destinations for a given source, all of the [data](/docs/connections/spec/) you track will be routed to your connected tools and warehouses. If you no longer wish to send all data to a particular destination, you can disable the destination from the Source overview page. 

src/connections/sources/schema/index.md

@@ -1,5 +1,7 @@
 ---
 title: Schema Controls
+redirect_from:
+  - '/protocols/schema/'
 ---
 
 {% include content/plan-grid.md name="protocols" %}

src/connections/sources/schema/schema-unique-limits.md

@@ -1,5 +1,7 @@
 ---
 title: Segment Schema Limits
+redirect_from:
+   - '/connections/schema-unique-limits/'
 ---
 
 #### How many unique events can be logged in my Segment Schema table?