feat(range): introduce the cursor position config

Fixes: #69

README.md

@@ -391,6 +391,14 @@ Default : `false`
 
 Will automatically apply the changes on the buffer. You will not have to validate the command line.
 
+#### `range.cursor_position`
+
+Default : `end`
+
+This will set the cursor position in the command line at the end or at the beginning of the replacement text. Possible values are `end` and `start`.
+
+eg. With `range.cursor_position = 'start'`, the cursor will be set here: `s/foo/|bar/g` but with `range.cursor_position = 'end'` it will be set to `s/foo/bar|/g`.
+
 ### 🤝 Integration
 
 <details>

lua/substitute/config.lua

@@ -22,6 +22,7 @@ function config.setup(options)
       group_substituted_text = false,
       suffix = "",
       auto_apply = false,
+      cursor_position = "end",
     },
     exchange = {
       motion = nil,

lua/substitute/range.lua

@@ -192,16 +192,24 @@ function range.create_replace_command()
   local left = vim.api.nvim_replace_termcodes("<left>", true, false, true)
   local cr = vim.api.nvim_replace_termcodes("<cr>", true, false, true)
 
+  local escaped_replacement = get_escaped_replacement(c)
+
   local cmd = string.format(
     -- vim.api.nvim_replace_termcodes(":%s%s/%s/%s/g%s%s%s", true, false, true),
     ":%s%s/%s/%s/g%s%s%s%s",
     range.state.range,
     c.prefix,
     get_escaped_subject(c),
-    get_escaped_replacement(c),
+    escaped_replacement,
     c.confirm and "c" or "",
     c.suffix,
-    string.rep(left, 2 + (c.confirm and c.suffix:len() + 1 or c.suffix:len()), ""),
+    string.rep(
+      left,
+      2
+        + (c.confirm and c.suffix:len() + 1 or c.suffix:len())
+        + (c.cursor_position == "start" and escaped_replacement:len() or 0),
+      ""
+    ),
     c.auto_apply and cr or ""
   )