Added detection for Tea templates, see http://teatrove.org

Uses the Java Server Page lexer (closest match) until a Tea lexer is added to Pygments.
https://bitbucket.org/birkenfeld/pygments-main/pull-request/56

lib/linguist/languages.yml

@@ -987,6 +987,12 @@ Tcsh:
   - .csh
   - .tcsh
 
+Tea:
+  type: programming
+  lexer: Java Server Page
+  extensions:
+  - .tea
+
 TeX:
   type: markup
   primary_extension: .tex