Move files back to qubes-doc so they can appear in index

I'm still not sure why these files have to be in qubes-doc in order to
appear in the doc index, but they do, so I'm moving them back even
though they're mostly empty.

developer/general/research.md

@@ -0,0 +1,17 @@
+---
+lang: en
+layout: site
+permalink: /research/
+redirect_from:
+- /doc/qubes-research/
+- /en/doc/qubes-research/
+- /doc/QubesResearch/
+- /wiki/QubesResearch/
+ref: 139
+title: Research
+---
+
+Here are links to various research papers, projects, and blog posts that relate
+to Qubes OS.
+
+{% include research.html %}

user/downloading-installing-upgrading/downloads.md

@@ -1,8 +1,11 @@
 ---
 lang: en
-layout: doc
+layout: site
-permalink: /doc/downloads/
+permalink: /downloads/
-redirect_to: /downloads/
+redirect_from:
-ref: 244
+- /doc/QubesDownloads/
-title: Downloads
+- /wiki/QubesDownloads/
+ref: 2
+title: Download Qubes OS
 ---
+{% include downloads.html %}

user/hardware/hcl.md

@@ -0,0 +1,16 @@
+---
+lang: en
+layout: hcl
+model: all
+permalink: /hcl/
+redirect_from:
+- /doc/hcl/
+- /compatible-hardware/
+- /en/doc/hcl/
+- /doc/HCL/
+- /wiki/HCL/
+- /wiki/HCLR1/
+- /wiki/HCL-R2B2/
+ref: 143
+title: Hardware Compatibility List (HCL)
+---