Fixed gitignore, added required files

.gitignore

@@ -3,6 +3,5 @@ venv/
 __pycache__/
 *.pyc
 *.pem
-*.xml
 config.json
 test/static

app/static/img/favicon/browserconfig.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig><msapplication><tile><square70x70logo src="/ms-icon-70x70.png"/><square150x150logo src="/ms-icon-150x150.png"/><square310x310logo src="/ms-icon-310x310.png"/><TileColor>#ffffff</TileColor></tile></msapplication></browserconfig>

app/templates/opensearch.xml

@@ -0,0 +1,13 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/"
+                       xmlns:moz="http://www.mozilla.org/2006/browser/search/">
+  <ShortName>Shoogle</ShortName>
+  <Description>Shoogle: A lightweight, deployable Google search proxy for desktop/mobile that removes Javascript, AMP links, and ads</Description>
+  <InputEncoding>UTF-8</InputEncoding>
+  <Image width="32" height="32" type="image/x-icon">/static/img/favicon/favicon-32x32.png</Image>
+  <Url type="text/html" template="{{ shoogle_url }}/search">
+    <Param name="q" value="{searchTerms}"/>
+  </Url>
+  <Url type="application/x-suggestions+json" template="{{ shoogle_url }}/search"/>
+  <moz:SearchForm>{{ shoogle_url }}/search</moz:SearchForm>
+</OpenSearchDescription>
+