Add legacy tier libraries

Author: pwseg

src/connections/sources/catalog/libraries/mobile/android/index.md

@@ -2,6 +2,7 @@
 title: 'Analytics for Android'
 strat: android
 repo: analytics-android
+support_type: legacy
 id: wXNairW5xX
 ---
   Analytics for Android makes it easier for you to send data to any tool without having to learn, test or implement a new API every time.

src/connections/sources/catalog/libraries/mobile/ios/index.md

@@ -2,6 +2,7 @@
 title: Analytics for iOS
 strat: ios
 repo: analytics-ios
+support_type: legacy
 id: UBrsG9RVzw
 ---
 With Analytics for iOS, you can send your data to analytics or marketing tool, without needing to learn, test, or implement a new API with each update or addition.

src/connections/sources/catalog/libraries/server/net/index.md

@@ -2,6 +2,7 @@
 title: Analytics for .NET
 repo: analytics.NET
 id: 8HWbgPTt3k
+support_type: legacy
 tags:
   - C#
   - C-sharp