add configurable prompt

vendor/cmder_prompt_config.lua.default

@@ -0,0 +1,42 @@
+-- All of the below was 'borrowed' from https://github.com/AmrEldib/cmder-powerline-prompt
+
+--- REQUIRED. config_prompt_type is whether the displayed prompt is the full path or only the folder name
+ -- Use:
+ -- "full" for full path like C:\Windows\System32
+ -- "folder" for folder name only like System32
+ -- default is full
+prompt_type = "full"
+
+--- REQUIRED. config_prompt_useHomeSymbol is whether to show ~ instead of the full path to the user's home folder
+ -- Use true or false
+ -- default is false
+prompt_useHomeSymbol = false
+
+-- Symbols
+-- REQUIRED. Prompt displayed instead of user's home folder e.g. C:\Users\username
+ -- default is '~'
+prompt_homeSymbol = "~"
+
+-- REQUIRED. Symbol displayed in the new line below the prompt.
+ -- default is 'λ'
+prompt_lambSymbol = "λ"
+
+-- REQUIRED. Adds [user]@[host] to the beginning of the prompt like bash
+ -- default is false
+prompt_useUserAtHost = false
+
+-- REQUIRED. If true prompt is a single line instead of default two line prompt.
+ -- default is false
+prompt_singleLine = false
+
+-- Prompt Attributes
+--
+-- Colors
+-- Green:      "\x1b[1;33;40m"
+-- Yellow:     "\x1b[1;32;40m"
+-- Light Grey: "\x1b[1;30;40m"
+
+-- Prompt Element Colors
+uah_color = "\x1b[1;33;40m" -- Green = uah = [user]@[hostname]
+cwd_color = "\x1b[1;32;40m" -- Yellow cwd = Current Working Directory
+lamb_color = "\x1b[1;30;40m" -- Light Grey = Lambda Color