Added vim-dadbod plugin

lua/plugins/dadbod.lua

@@ -0,0 +1,29 @@
+return {
+    "tpope/vim-dadbod",
+    dependencies = {
+        "tpope/vim-dispatch",
+        "kristijanhusak/vim-dadbod-ui",
+        "kristijanhusak/vim-dadbod-completion"
+    },
+    config = function()
+        local function db_completion()
+            require("cmp").setup.buffer { sources = { { name = "vim-dadbod-completion" } } }
+        end
+        vim.api.nvim_create_autocmd("FileType", {
+            pattern = {
+                "sql",
+            },
+            command = [[setlocal omnifunc=vim_dadbod_completion#omni]],
+        })
+        vim.api.nvim_create_autocmd("FileType", {
+            pattern = {
+                "sql",
+                "mysql",
+                "plsql",
+            },
+            callback = function()
+                vim.schedule(db_completion)
+            end
+        })
+    end
+}