Bugfix: Don't Start Server Right Away (#40)

This MR simplifies the plugin quite a bit by only attempting to start the Go server after you specifically try to run a command. This streamlines working on feature branches and removes the need for a `base_branch` property entirely.

README.md

@@ -71,18 +71,8 @@ If you don't want to write your authentication token into a dotfile, you may pro
 export GITLAB_TOKEN="your_gitlab_token"
 ```
 
-By default, the plugin will interact with MRs against a "main" branch. You can configure this by passing in the `base_branch` option to the `.gitlab.nvim` configuration file for your project.
-
-```
-project_id=112415
-auth_token=your_gitlab_token
-gitlab_url=https://my-personal-gitlab-instance.com/
-base_branch=master
-```
-
 ## Configuring the Plugin
 
-
 Here is the default setup function. All of these values are optional, and if you call this function with no values the defaults will be used:
 
 ```lua