add neogit and venn diagram config

lua/plugins/init.lua

@@ -8,7 +8,10 @@ require('packer').startup(function()
   -- Fuzzy finder
   use {
       'nvim-telescope/telescope.nvim',
-      requires = {{'nvim-lua/popup.nvim'}, {'nvim-lua/plenary.nvim'}}
+      requires = {
+          {'nvim-lua/popup.nvim'},
+          {'nvim-lua/plenary.nvim'},
+      }
   }
 
   -- Autocomplete and snippets
@@ -42,19 +45,26 @@ require('packer').startup(function()
   use { 'tjdevries/nlua.nvim' }
 
   -- Git
-  use { 'NeogitOrg/neogit' }
+  use {
+      'NeogitOrg/neogit',
+      requires = {
+          { "nvim-lua/plenary.nvim" },
+          { "sindrets/diffview.nvim" },
+      },
+  }
 
   -- Filesystem in a nvim buffer
   use { 'stevearc/oil.nvim' }
 
   -- Misc
-  use { 'RRethy/vim-illuminate' } -- highlight all words same as the one under cursor
-  use { 'vim-scripts/DrawIt' } -- ascii diagrams
+  use { 'jbyuki/venn.nvim' } -- ascii diagrams
   use { 'nathom/filetype.nvim' }
 
 end)
 
 require('plugins.cmp')
+require('plugins.neogit')
+require('plugins.oil')
 require('plugins.treesitter')
 require('plugins.telescope')
-require('plugins.oil')
+require('plugins.venn')

lua/plugins/neogit.lua

@@ -0,0 +1,5 @@
+local neogit = require('neogit')
+
+neogit.setup { }
+
+vim.keymap.set('n', '<C-x><C-g>', neogit.open, {})

lua/plugins/venn.lua

@@ -0,0 +1,21 @@
+-- venn.nvim: enable or disable keymappings
+function _G.Toggle_venn()
+    local venn_enabled = vim.inspect(vim.b.venn_enabled)
+    if venn_enabled == "nil" then
+        vim.b.venn_enabled = true
+        vim.cmd[[setlocal ve=all]]
+        -- draw a line on HJKL keystokes
+        vim.api.nvim_buf_set_keymap(0, "n", "J", "<C-v>j:VBox<CR>", {noremap = true})
+        vim.api.nvim_buf_set_keymap(0, "n", "K", "<C-v>k:VBox<CR>", {noremap = true})
+        vim.api.nvim_buf_set_keymap(0, "n", "L", "<C-v>l:VBox<CR>", {noremap = true})
+        vim.api.nvim_buf_set_keymap(0, "n", "H", "<C-v>h:VBox<CR>", {noremap = true})
+        -- draw a box by pressing "f" with visual selection
+        vim.api.nvim_buf_set_keymap(0, "v", "f", ":VBox<CR>", {noremap = true})
+    else
+        vim.cmd[[setlocal ve=]]
+        vim.cmd[[mapclear <buffer>]]
+        vim.b.venn_enabled = nil
+    end
+end
+-- toggle keymappings for venn using <leader>v
+vim.api.nvim_set_keymap('n', '<leader>v', ":lua Toggle_venn()<CR>", { noremap = true})