Add snippet mappings & being porting snippets

lua/plugins/completions.lua

@@ -133,5 +133,24 @@ return {
         vim.keymap.set('i', '<C-h>', vim.lsp.buf.signature_help, opts)
       end
     })
+
+    -- Snippet mappings
+    local luasnip = require('luasnip')
+    luasnip.setup({})
+    vim.keymap.set({ 'i', 's' }, '<C-j>', function()
+      if luasnip.expand_or_jumpable() then
+        luasnip.expand_or_jump()
+      end
+    end, { silent = true })
+    vim.keymap.set({ 'i', 's' }, '<C-K>', function()
+      if luasnip.jumpable(-1) then
+        luasnip.jump(-1)
+      end
+    end, { silent = true })
+
+    -- Load snippets
+    local opts = { paths = vim.fn.stdpath('config') .. '/snippets' }
+    require('luasnip.loaders.from_snipmate').lazy_load(opts)
+    require('luasnip.loaders.from_lua').lazy_load(opts)
   end
 }