Issue template: add minimal init.lua to repo and clean up issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,20 +10,32 @@ labels: bug
 
 - `nvim --version`:
 - nvim-lsp version(commit hash):
-- `:checkhealth` result
-- What language server(If the problem is related to a specific language server):
+- What language server (If the problem is related to a specific language server):
 - Can you reproduce this behavior on other language server clients (vscode, languageclient-neovim, coc.nvim, etc.):
-- Can you reproduce this behavior on other language servers offer by the nvim-lspconfig repo? (pyls -> pyright):
-- Is this problem isolated to this particular language server:
+- Can you reproduce this behavior on other language servers offered in the nvim-lspconfig repo? (pyls -> pyright):
+- Is the problem isolated to a particular language server:
 - Operating system/version:
-- Terminal name/version:
-- `$TERM`:
 
 ### How to reproduce the problem from neovim startup
 
 ### Actual behaviour
 
 ### Expected behaviour
 
+### Minimal init.vim or init.lua and code sample
+<!-- You can download a minimal_init.lua from here 
+      curl -fLO https://raw.githubusercontent.com/neovim/nvim-lspconfig/master/test/minimal_init.lua 
+      After editing to include your language server, run neovim with nvim -u minimal_init.lua -->
+
+### Health check
+<details>
+<summary>Checkhealth result</summary>
+<!-- Run `:checkhealth lspconfig` and paste the result here-->
+</details>
 ### LSP log
-<!-- Please add vim.lsp.set_log_level("debug") to your lua block in init.vim and paste a link to your log file, located at $HOME/.local/share/nvim/lsp.log -->
+<!-- If not using the minimal_init.lua please add vim.lsp.set_log_level("debug") to your lua block 
+     in init.vim and paste a link to your log file, located at $HOME/.local/share/nvim/lsp.log -->
+<details>
+<summary>Log file</summary>
+<!-- past you log between here -->
+</details>

test/minimal_init.lua

@@ -0,0 +1,72 @@
+local execute = vim.api.nvim_command
+local fn = vim.fn
+
+local install_path = "/tmp/site/pack/packer/opt/packer.nvim"
+
+if fn.empty(fn.glob(install_path)) > 0 then
+  execute("!git clone https://github.com/wbthomason/packer.nvim " .. install_path)
+end
+
+execute "packadd packer.nvim"
+
+vim.cmd [[packadd packer.nvim]]
+vim.cmd [[autocmd BufWritePost minimal_init.lua PackerCompile]]
+vim.cmd [[autocmd BufWritePost minimal_init.lua PackerInstall]]
+
+local use = require('packer').use
+require("packer").startup(
+  {
+    function()
+      use "neovim/nvim-lspconfig"
+    end,
+    config = {package_root = "/tmp/site/pack"}
+  }
+)
+
+-- LSP settings
+-- log file location: $HOME/.local/share/nvim/lsp.log
+vim.lsp.set_log_level("debug")
+local nvim_lsp = require('lspconfig')
+local on_attach = function(_, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+  buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+end
+
+-- Add the server that troubles you here
+local name = "pyright"
+local cmd = { "pyright-langserver", "--stdio"} -- needed for elixirls, omnisharp, sumneko_lua
+if not name then
+  print("You have not defined a server name, please edit minimal_init.lua")
+end
+if not nvim_lsp[name].document_config.default_config.cmd and (not cmd) then
+  print([[You have not defined a server default cmd for a server
+          that requires it please edit minimal_init.lua]])
+end
+
+nvim_lsp[name].setup {
+    cmd = cmd,
+    on_attach = on_attach,
+  }
+
+print([[You can find your log at $HOME/.local/share/nvim/lsp.log. Please paste in a
+  github issue under a details tag as described in the issue template.]])