Improve issue template

.github/ISSUE_TEMPLATE/add-language.md

@@ -2,17 +2,26 @@
 name: Add language
 about: Add support for new language
 title: ''
-labels: ''
+labels: 'enhancement'
 assignees: ''
 
 ---
 
-<!--- vim-polyglot accepts only lightweight, maintained github-hosted vim plugins -->
+**What is the name of this language in Linguist?**
+
+<!-- https://github.com/github/linguist/blob/master/lib/linguist/languages.yml -->
+
+**GitHub repository url of vim plugin**
 
-**GitHub repository url**
 
 
 **Is this plugin well maintained?**
 
 
+
 **Is this plugin lightweight? (no advanced functionality, just indent and syntax support)**
+
+
+
+
+

.github/ISSUE_TEMPLATE/add-support-for-language.md

@@ -1,20 +0,0 @@
----
-name: Add support for language
-about: ''
-title: ''
-labels: ''
-assignees: ''
-
----
-
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional context**
-Add any other context or screenshots about the feature request here.