Add Filtering, HealthCheck, Better Tests (#350)

feat: add filtering when choosing merge requests (#346)
feat: Add healthcheck (#345)
refactor: Move to gomock (#349)
feat: Makes the remote of the plugin configurable (#348)

This is a #MINOR release.

doc/gitlab.nvim.txt

@@ -55,10 +55,6 @@ QUICK START                                          *gitlab.nvim.quick-start*
 
 This will checkout the branch locally, and up the plugin's reviewer pane.
 
-NOTE: At the moment, the plugin assumes that the remote where you want to
-merge your feature branch is called "origin".
-
-
 INSTALLATION                                        *gitlab.nvim.installation*
 
 With Lazy:
@@ -165,6 +161,7 @@ you call this function with no values the defaults will be used:
       },
       connection_settings = {
         insecure = false, -- Like curl's --insecure option, ignore bad x509 certificates on connection
+        remote = "origin", -- The default remote that your MRs target
       },
       keymaps = {
         disable_all = false, -- Disable all mappings created by the plugin
@@ -685,8 +682,11 @@ following to your config:
 
 TROUBLESHOOTING                                  *gitlab.nvim.troubleshooting*
 
-To check that the current settings of the plugin are configured correctly,~
-please run:~
+To check the health of the plugin and related dependencies, please run:
+>vim
+    :checkhealth gitlab
+<
+To print your current settings:
 >lua
     require("gitlab").print_settings()
 <
@@ -726,17 +726,24 @@ default arguments outlined under "Configuring the Plugin".
 gitlab.choose_merge_request({opts}) ~
 
 Choose a merge request from a list of those open in your current project to
-review. This command will automatically check out the feature branch locally,
-and by default also open the reviewer pane (this can be overridden with the
-`open_reviewer` parameter).
+review. This command will automatically check out the feature branch locally
+and open the reviewer pane (this can be overridden with the `open_reviewer`
+parameter.
+You can also filter merge requests by specifying `label` and `notlabel`
+parameters.
 >lua
   require("gitlab").choose_merge_request()
   require("gitlab").choose_merge_request({ open_reviewer = false })
+  require("gitlab").choose_merge_request({ label = {"include_mrs_with_label"} })
+  require("gitlab").choose_merge_request({ notlabel = {"exclude_mrs_with_label"} })
 <
     Parameters: ~
         • {opts}: (table|nil) Keyword arguments to configure the checkout.
             • {open_reviewer}: (boolean) Whether to open the reviewer after
             switching branches. True by default.
+            • {label}: (table<string>) Return merge requests with *including* matching labels
+            • {notlabel}: (table<string>) Return merge requests *excluding*
+              matching label
 <
                                                                 *gitlab.nvim.review*
 gitlab.review() ~