docs: add some help

gui/forms/SettingsForm.tscn

@@ -35,7 +35,6 @@ margin_bottom = 230.0
 rect_min_size = Vector2( 350, 230 )
 
 [node name="Providers" type="Control" parent="CenterContainer/VBoxContainer/TabContainer"]
-visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 margin_left = 4.0
@@ -113,6 +112,7 @@ disabled = true
 text = "Some other Chat Commands"
 
 [node name="General" type="Control" parent="CenterContainer/VBoxContainer/TabContainer"]
+visible = false
 anchor_right = 1.0
 anchor_bottom = 1.0
 margin_left = 4.0

gui/forms/twitch_config/TwitchAuthConfig.gd

@@ -114,3 +114,7 @@ func _on_ClientIdHelpButton_pressed():
 
 func _on_OAuthHelpButton_pressed():
 	var _done = OS.shell_open("https://twitchapps.com/tmi/")
+
+
+func _on_HelpButton_pressed():
+	$TwitchSettingsHelpPopup.popup_centered()

gui/forms/twitch_config/TwitchAuthConfig.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=3 format=2]
+[gd_scene load_steps=4 format=2]
 
 [ext_resource path="res://gui/forms/twitch_config/TwitchAuthConfig.gd" type="Script" id=1]
 [ext_resource path="res://gui/widgets/Background.tscn" type="PackedScene" id=2]
+[ext_resource path="res://gui/popups/TwitchSettingsHelpPopup.tscn" type="PackedScene" id=3]
 
 [node name="TwitchAuthConfig" type="Control"]
 anchor_right = 1.0
@@ -145,8 +146,20 @@ margin_right = 54.0
 margin_bottom = 20.0
 text = "Cancel"
 
-[node name="VSeparator" type="VSeparator" parent="CenterContainer/VBoxContainer/ButtonsContainer"]
+[node name="VSeparator1" type="VSeparator" parent="CenterContainer/VBoxContainer/ButtonsContainer"]
 margin_left = 58.0
+margin_right = 83.0
+margin_bottom = 20.0
+size_flags_horizontal = 3
+
+[node name="HelpButton" type="Button" parent="CenterContainer/VBoxContainer/ButtonsContainer"]
+margin_left = 87.0
+margin_right = 129.0
+margin_bottom = 20.0
+text = "Help"
+
+[node name="VSeparator2" type="VSeparator" parent="CenterContainer/VBoxContainer/ButtonsContainer"]
+margin_left = 133.0
 margin_right = 158.0
 margin_bottom = 20.0
 size_flags_horizontal = 3
@@ -156,7 +169,10 @@ margin_left = 162.0
 margin_right = 203.0
 margin_bottom = 20.0
 text = "Save"
+
+[node name="TwitchSettingsHelpPopup" parent="." instance=ExtResource( 3 )]
 [connection signal="pressed" from="CenterContainer/VBoxContainer/ClientIdContainer/ClientIdHelpButton" to="." method="_on_ClientIdHelpButton_pressed"]
 [connection signal="pressed" from="CenterContainer/VBoxContainer/OAuthContainer/OAuthHelpButton" to="." method="_on_OAuthHelpButton_pressed"]
 [connection signal="pressed" from="CenterContainer/VBoxContainer/ButtonsContainer/CancelButton" to="." method="_on_CancelButton_pressed"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer/ButtonsContainer/HelpButton" to="." method="_on_HelpButton_pressed"]
 [connection signal="pressed" from="CenterContainer/VBoxContainer/ButtonsContainer/SaveButton" to="." method="_on_SaveButton_pressed"]

gui/popups/TwitchSettingsHelpPopup.tscn

@@ -0,0 +1,25 @@
+[gd_scene format=2]
+
+[node name="TwitchSettingsHelpPopup" type="AcceptDialog"]
+margin_right = 83.0
+margin_bottom = 58.0
+window_title = "Your friend is here!"
+dialog_text = "What are all these things?
+> Hover the mouse over the fields to see hints.
+> Basically, that's what twitch requires to let us read your chat.
+
+Copy/paste does not work!
+> Using the browser?  W3C's Clipboard API is not yet everywhere.
+> Try Chrome, or install the Clipboard API extension for Firefox?
+> There are builds for Windows and Linux, as well. (perhaps Mac)
+
+This is not encrypted, you fools!
+> Encryption can be achieved.  This is libre software.
+> That means YOU are free to improve it for everyone to enjoy!
+> Note that the configuration is stored on YOUR computer,
+> there is no server side to this application.
+
+Though justice be thy plea, consider this:
+that in the course of justice, none of us
+should see salvation. We do pray for mercy,
+-- Merchant of Venice, Shakespeare"