docs: add in redirects for contributing pages

Author: ckipp01

docs/_docs/contributing/debugging/debugging.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: Debugging the Compiler
+redirectFrom: /docs/contributing/issues/debugging.html
 ---
 
 This section goes over the various ways to debug either the compiler or the code

docs/_docs/contributing/debugging/inspection.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: How to Inspect Values
+redirectFrom: /docs/contributing/issues/inspection.html
 ---
 
 In this section, you will find out how to debug the contents of certain objects

docs/_docs/contributing/debugging/other-debugging.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: Other Debugging Techniques
+redirectFrom: /docs/contributing/issues/debugging.html
 ---
 
 ## Debug Manually with JDB

docs/_docs/contributing/getting-started.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: Getting Started
+redirectFrom: /docs/contributing/workflow.html
 ---
 
 ## Scala CLA

docs/_docs/contributing/sending-in-a-pr.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: Sending in a pull request
+redirectFrom: /docs/contributing/issues/checklist.html
 ---
 
 Once you solved the issue you were working on, you'll likely want to see your

docs/_docs/contributing/testing.md

@@ -1,6 +1,7 @@
 ---
 layout: doc-page
 title: Testing Your Changes
+redirectFrom: /docs/contributing/issues/testing.html
 ---
 
 It is important to add tests before a pull request, to verify that everything is working as expected,

docs/sidebar.yml

@@ -185,6 +185,7 @@ subsection:
         directory: procedures
         index: contributing/procedures/index.md
         subsection:
+          - page: contributing/procedures/release.md
           - page: contributing/procedures/vulpix.md
       - title: High Level Architecture
         directory: architecture